diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..867c65b
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,274 @@
+# From:
+#  - https://raw.githubusercontent.com/gitattributes/gitattributes/refs/heads/master/Common.gitattributes
+#  - https://github.com/gitattributes/gitattributes/raw/refs/heads/master/PHP.gitattributes
+#  - https://raw.githubusercontent.com/gitattributes/gitattributes/refs/heads/master/Web.gitattributes
+# Common settings that generally should always be used with your language specific settings
+
+# Auto detect text files and perform LF normalization
+* text=auto
+#
+# The above will handle all files NOT found below
+# Documents
+*.bibtex text diff=bibtex
+*.doc diff=astextplain
+*.DOC diff=astextplain
+*.docx diff=astextplain
+*.DOCX diff=astextplain
+*.dot diff=astextplain
+*.DOT diff=astextplain
+*.pdf diff=astextplain
+*.PDF diff=astextplain
+*.rtf diff=astextplain
+*.RTF diff=astextplain
+*.md text diff=markdown
+*.mdx text diff=markdown
+*.tex text diff=tex
+*.adoc text
+*.textile text
+*.mustache text
+*.csv text eol=crlf
+*.tab text
+*.tsv text
+*.txt text
+*.sql text
+*.epub diff=astextplain
+# Graphics
+*.png binary
+*.jpg binary
+*.jpeg binary
+*.gif binary
+*.tif binary
+*.tiff binary
+*.ico binary
+# SVG treated as text by default.
+*.svg text
+# If you want to treat it as binary,
+# use the following line instead.
+# *.svg    binary
+*.eps binary
+# Scripts
+*.bash text eol=lf
+*.fish text eol=lf
+*.ksh text eol=lf
+*.sh text eol=lf
+*.zsh text eol=lf
+# These are explicitly windows files and should use crlf
+*.bat text eol=crlf
+*.cmd text eol=crlf
+*.ps1 text eol=crlf
+# Serialisation
+*.json text
+*.toml text
+*.xml text
+*.yaml text
+*.yml text
+# Archives
+*.7z binary
+*.bz binary
+*.bz2 binary
+*.bzip2 binary
+*.gz binary
+*.lz binary
+*.lzma binary
+*.rar binary
+*.tar binary
+*.taz binary
+*.tbz binary
+*.tbz2 binary
+*.tgz binary
+*.tlz binary
+*.txz binary
+*.xz binary
+*.Z binary
+*.zip binary
+*.zst binary
+# Text files where line endings should be preserved
+*.patch -text
+# Exclude files from exporting
+.gitattributes export-ignore
+.gitignore export-ignore
+.gitkeep export-ignore
+## GITATTRIBUTES FOR WEB PROJECTS
+# These settings are for any web project.
+# Details per file setting:
+#   text    These files should be normalized (i.e. convert CRLF to LF).
+#   binary  These files are binary and should be left untouched.
+# Note that binary is a macro for -text -diff.
+######################################################################
+# Auto detect
+##   Handle line endings automatically for files detected as
+##   text and leave all files detected as binary untouched.
+##   This will handle all files NOT defined below.
+# Source code
+*.coffee text
+*.css text diff=css
+*.htm text diff=html
+*.html text diff=html
+*.inc text
+*.ini text
+*.js text
+*.mjs text
+*.cjs text
+*.jsx text
+*.less text
+*.ls text
+*.map text -diff
+*.od text
+*.onlydata text
+*.php text diff=php
+*.pl text
+*.py text diff=python
+*.rb text diff=ruby
+*.sass text
+*.scm text
+*.scss text diff=css
+.husky/* text eol=lf
+*.styl text
+*.tag text
+*.ts text
+*.tsx text
+*.xhtml text diff=html
+# Docker
+Dockerfile text
+# Documentation
+*.ipynb text eol=lf
+*.markdown text diff=markdown
+*.mdwn text diff=markdown
+*.mdown text diff=markdown
+*.mkd text diff=markdown
+*.mkdn text diff=markdown
+*.mdtxt text
+*.mdtext text
+AUTHORS text
+CHANGELOG text
+CHANGES text
+CONTRIBUTING text
+COPYING text
+copyright text
+*COPYRIGHT* text
+INSTALL text
+license text
+LICENSE text
+NEWS text
+readme text
+*README* text
+TODO text
+# Templates
+*.dot text
+*.ejs text
+*.erb text
+*.haml text
+*.handlebars text
+*.hbs text
+*.hbt text
+*.jade text
+*.latte text
+*.njk text
+*.phtml text
+*.svelte text
+*.tmpl text
+*.tpl text
+*.twig text
+*.vue text
+# Configs
+*.cnf text
+*.conf text
+*.config text
+.editorconfig text
+*.env text
+.gitattributes text
+.gitconfig text
+.htaccess text
+*.lock text -diff
+package.json text eol=lf
+package-lock.json text eol=lf -diff
+pnpm-lock.yaml text eol=lf -diff
+.prettierrc text
+yarn.lock text -diff
+browserslist text
+Makefile text
+makefile text
+# Fixes syntax highlighting on GitHub to allow comments
+tsconfig.json linguist-language=JSON-with-Comments
+# Heroku
+Procfile text
+*.ai binary
+*.bmp binary
+*.gifv binary
+*.jng binary
+*.jp2 binary
+*.jpx binary
+*.jxr binary
+*.pdf binary
+*.psb binary
+*.psd binary
+# SVG treated as an asset (binary) by default.
+# *.svg           binary
+*.svgz binary
+*.wbmp binary
+*.webp binary
+# Audio
+*.kar binary
+*.m4a binary
+*.mid binary
+*.midi binary
+*.mp3 binary
+*.ogg binary
+*.ra binary
+# Video
+*.3gpp binary
+*.3gp binary
+*.as binary
+*.asf binary
+*.asx binary
+*.avi binary
+*.fla binary
+*.flv binary
+*.m4v binary
+*.mng binary
+*.mov binary
+*.mp4 binary
+*.mpeg binary
+*.mpg binary
+*.ogv binary
+*.swc binary
+*.swf binary
+*.webm binary
+*.jar binary
+# Fonts
+*.ttf binary
+*.eot binary
+*.otf binary
+*.woff binary
+*.woff2 binary
+# Executables
+*.exe binary
+*.pyc binary
+# Prevents massive diffs caused by vendored, minified files
+**/.yarn/releases/** binary
+**/.yarn/plugins/** binary
+# RC files (like .babelrc or .eslintrc)
+*.*rc text
+# Ignore files (like .npmignore or .gitignore)
+*.*ignore text
+# Prevents massive diffs from built files
+dist/* binary
+# PHP files
+*.php text eol=lf diff=php
+*.phpt text eol=lf diff=php
+*.phtml text eol=lf diff=html
+*.twig text eol=lf
+*.phar binary
+# Configuration
+phpcs.xml text eol=lf
+phpunit.xml text eol=lf
+phpstan.neon text eol=lf
+psalm.xml text eol=lf
+####################
+# Project specific #
+*.webm filter=lfs diff=lfs merge=lfs -text
+*.ogg filter=lfs diff=lfs merge=lfs -text
+# exclude test folder from export
+test/ export-ignore
+*.webm !text !filter !merge !diff
+*.ogg !text !filter !merge !diff
diff --git a/.gitignore b/.gitignore
index f49e8e0..889b588 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,241 @@
+# Created by https://www.toptal.com/developers/gitignore/api/windows,linux,macos,git,phpstorm+all,visualstudiocode,vim,phpunit
+# Edit at https://www.toptal.com/developers/gitignore?templates=windows,linux,macos,git,phpstorm+all,visualstudiocode,vim,phpunit
+
+### Git ###
+# Created by git for backups. To disable backups in Git:
+# $ git config --global mergetool.keepBackup false
+*.orig
+
+# Created by git when using merge tools for conflicts
+*.BACKUP.*
+*.BASE.*
+*.LOCAL.*
+*.REMOTE.*
+*_BACKUP_*.txt
+*_BASE_*.txt
+*_LOCAL_*.txt
+*_REMOTE_*.txt
+
+### Linux ###
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
+
+### macOS ###
+# General
 .DS_Store
-.idea
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+### macOS Patch ###
+# iCloud generated files
+*.icloud
+
+### PhpStorm+all ###
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# AWS User-specific
+.idea/**/aws.xml
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/artifacts
+# .idea/compiler.xml
+# .idea/jarRepositories.xml
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+# *.iml
+# *.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# SonarLint plugin
+.idea/sonarlint/
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
+
+### PhpStorm+all Patch ###
+# Ignore everything but code style settings and run configurations
+# that are supposed to be shared within teams.
+
+.idea/*
+
+!.idea/codeStyles
+!.idea/runConfigurations
+
+### PHPUnit ###
+# Covers PHPUnit
+# Reference: https://phpunit.de/
+
+# Generated files
+.phpunit.result.cache
+.phpunit.cache
+
+# PHPUnit
+/app/phpunit.xml
+/phpunit.xml
+
+# Build data
+/build/
+
+### Vim ###
+# Swap
+[._]*.s[a-v][a-z]
+!*.svg  # comment out if you don't need vector files
+[._]*.sw[a-p]
+[._]s[a-rt-v][a-z]
+[._]ss[a-gi-z]
+[._]sw[a-p]
+
+# Session
+Session.vim
+Sessionx.vim
+
+# Temporary
+.netrwhist
+# Auto-generated tag files
+tags
+# Persistent undo
+[._]*.un~
+
+### VisualStudioCode ###
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+!.vscode/*.code-snippets
+
+# Local History for Visual Studio Code
+.history/
+
+# Built Visual Studio Code Extensions
+*.vsix
+
+### VisualStudioCode Patch ###
+# Ignore all local history of files
+.history
+.ionide
+
+### Windows ###
+# Windows thumbnail cache files
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# End of https://www.toptal.com/developers/gitignore/api/windows,linux,macos,git,phpstorm+all,visualstudiocode,vim,phpunit
+
+####################
+# Project specific #
+####################
+.idea/
 *.zip
\ No newline at end of file
diff --git a/COPYING b/COPYING
deleted file mode 100644
index b0b7a16..0000000
--- a/COPYING
+++ /dev/null
@@ -1,676 +0,0 @@
-GNU GENERAL PUBLIC LICENSE
-                       Version 3, 29 June 2007
-
- Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
- Everyone is permitted to copy and distribute verbatim copies
- of this license document, but changing it is not allowed.
-
-                            Preamble
-
-  The GNU General Public License is a free, copyleft license for
-software and other kinds of works.
-
-  The licenses for most software and other practical works are designed
-to take away your freedom to share and change the works.  By contrast,
-the GNU General Public License is intended to guarantee your freedom to
-share and change all versions of a program--to make sure it remains free
-software for all its users.  We, the Free Software Foundation, use the
-GNU General Public License for most of our software; it applies also to
-any other work released this way by its authors.  You can apply it to
-your programs, too.
-
-  When we speak of free software, we are referring to freedom, not
-price.  Our General Public Licenses are designed to make sure that you
-have the freedom to distribute copies of free software (and charge for
-them if you wish), that you receive source code or can get it if you
-want it, that you can change the software or use pieces of it in new
-free programs, and that you know you can do these things.
-
-  To protect your rights, we need to prevent others from denying you
-these rights or asking you to surrender the rights.  Therefore, you have
-certain responsibilities if you distribute copies of the software, or if
-you modify it: responsibilities to respect the freedom of others.
-
-  For example, if you distribute copies of such a program, whether
-gratis or for a fee, you must pass on to the recipients the same
-freedoms that you received.  You must make sure that they, too, receive
-or can get the source code.  And you must show them these terms so they
-know their rights.
-
-  Developers that use the GNU GPL protect your rights with two steps:
-(1) assert copyright on the software, and (2) offer you this License
-giving you legal permission to copy, distribute and/or modify it.
-
-  For the developers' and authors' protection, the GPL clearly explains
-that there is no warranty for this free software.  For both users' and
-authors' sake, the GPL requires that modified versions be marked as
-changed, so that their problems will not be attributed erroneously to
-authors of previous versions.
-
-  Some devices are designed to deny users access to install or run
-modified versions of the software inside them, although the manufacturer
-can do so.  This is fundamentally incompatible with the aim of
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-pattern of such abuse occurs in the area of products for individuals to
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-have designed this version of the GPL to prohibit the practice for those
-products.  If such problems arise substantially in other domains, we
-stand ready to extend this provision to those domains in future versions
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-
-  Finally, every program is threatened constantly by software patents.
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-avoid the special danger that patents applied to a free program could
-make it effectively proprietary.  To prevent this, the GPL assures that
-patents cannot be used to render the program non-free.
-
-  The precise terms and conditions for copying, distribution and
-modification follow.
-
-                       TERMS AND CONDITIONS
-
-  0. Definitions.
-
-  "This License" refers to version 3 of the GNU General Public License.
-
-  "Copyright" also means copyright-like laws that apply to other kinds of
-works, such as semiconductor masks.
-
-  "The Program" refers to any copyrightable work licensed under this
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-"recipients" may be individuals or organizations.
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-in a fashion requiring copyright permission, other than the making of an
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-earlier work or a work "based on" the earlier work.
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-  A "covered work" means either the unmodified Program or a work based
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-
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-infringement under applicable copyright law, except executing it on a
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-public, and in some countries other activities as well.
-
-  To "convey" a work means any kind of propagation that enables other
-parties to make or receive copies.  Mere interaction with a user through
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-to the extent that it includes a convenient and prominently visible
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-tells the user that there is no warranty for the work (except to the
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-Source.
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-same work.
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-  2. Basic Permissions.
-
-  All rights granted under this License are granted for the term of
-copyright on the Program, and are irrevocable provided the stated
-conditions are met.  This License explicitly affirms your unlimited
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-covered work is covered by this License only if the output, given its
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-rights of fair use or other equivalent, as provided by copyright law.
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-  You may make, run and propagate covered works that you do not
-convey, without conditions so long as your license otherwise remains
-in force.  You may convey covered works to others for the sole purpose
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-for you must do so exclusively on your behalf, under your direction
-and control, on terms that prohibit them from making any copies of
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-  3. Protecting Users' Legal Rights From Anti-Circumvention Law.
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-11 of the WIPO copyright treaty adopted on 20 December 1996, or
-similar laws prohibiting or restricting circumvention of such
-measures.
-
-  When you convey a covered work, you waive any legal power to forbid
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-the covered work, and you disclaim any intention to limit operation or
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-users, your or third parties' legal rights to forbid circumvention of
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-  You may convey verbatim copies of the Program's source code as you
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-keep intact all notices of the absence of any warranty; and give all
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-    c) You must license the entire work, as a whole, under this
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-used to limit the access or legal rights of the compilation's users
-beyond what the individual works permit.  Inclusion of a covered work
-in an aggregate does not cause this License to apply to the other
-parts of the aggregate.
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-  6. Conveying Non-Source Forms.
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-  You may convey a covered work in object code form under the terms
-of sections 4 and 5, provided that you also convey the
-machine-readable Corresponding Source under the terms of this License,
-in one of these ways:
-
-    a) Convey the object code in, or embodied in, a physical product
-    (including a physical distribution medium), accompanied by the
-    Corresponding Source fixed on a durable physical medium
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-    model, to give anyone who possesses the object code either (1) a
-    copy of the Corresponding Source for all the software in the
-    product that is covered by this License, on a durable physical
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-    conveying of source, or (2) access to copy the
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-    c) Convey individual copies of the object code with a copy of the
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-    d) Convey the object code by offering access from a designated
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-    Corresponding Source in the same way through the same place at no
-    further charge.  You need not require recipients to copy the
-    Corresponding Source along with the object code.  If the place to
-    copy the object code is a network server, the Corresponding Source
-    may be on a different server (operated by you or a third party)
-    that supports equivalent copying facilities, provided you maintain
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-    available for as long as needed to satisfy these requirements.
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-    e) Convey the object code using peer-to-peer transmission, provided
-    you inform other peers where the object code and Corresponding
-    Source of the work are being offered to the general public at no
-    charge under subsection 6d.
-
-  A separable portion of the object code, whose source code is excluded
-from the Corresponding Source as a System Library, need not be
-included in conveying the object code work.
-
-  A "User Product" is either (1) a "consumer product", which means any
-tangible personal property which is normally used for personal, family,
-or household purposes, or (2) anything designed or sold for incorporation
-into a dwelling.  In determining whether a product is a consumer product,
-doubtful cases shall be resolved in favor of coverage.  For a particular
-product received by a particular user, "normally used" refers to a
-typical or common use of that class of product, regardless of the status
-of the particular user or of the way in which the particular user
-actually uses, or expects or is expected to use, the product.  A product
-is a consumer product regardless of whether the product has substantial
-commercial, industrial or non-consumer uses, unless such uses represent
-the only significant mode of use of the product.
-
-  "Installation Information" for a User Product means any methods,
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-  If you convey an object code work under this section in, or with, or
-specifically for use in, a User Product, and the conveying occurs as
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-Corresponding Source conveyed under this section must be accompanied
-by the Installation Information.  But this requirement does not apply
-if neither you nor any third party retains the ability to install
-modified object code on the User Product (for example, the work has
-been installed in ROM).
-
-  The requirement to provide Installation Information does not include a
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-for a work that has been modified or installed by the recipient, or for
-the User Product in which it has been modified or installed.  Access to a
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-adversely affects the operation of the network or violates the rules and
-protocols for communication across the network.
-
-  Corresponding Source conveyed, and Installation Information provided,
-in accord with this section must be in a format that is publicly
-documented (and with an implementation available to the public in
-source code form), and must require no special password or key for
-unpacking, reading or copying.
-
-  7. Additional Terms.
-
-  "Additional permissions" are terms that supplement the terms of this
-License by making exceptions from one or more of its conditions.
-Additional permissions that are applicable to the entire Program shall
-be treated as though they were included in this License, to the extent
-that they are valid under applicable law.  If additional permissions
-apply only to part of the Program, that part may be used separately
-under those permissions, but the entire Program remains governed by
-this License without regard to the additional permissions.
-
-  When you convey a copy of a covered work, you may at your option
-remove any additional permissions from that copy, or from any part of
-it.  (Additional permissions may be written to require their own
-removal in certain cases when you modify the work.)  You may place
-additional permissions on material, added by you to a covered work,
-for which you have or can give appropriate copyright permission.
-
-  Notwithstanding any other provision of this License, for material you
-add to a covered work, you may (if authorized by the copyright holders of
-that material) supplement the terms of this License with terms:
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-    a) Disclaiming warranty or limiting liability differently from the
-    terms of sections 15 and 16 of this License; or
-
-    b) Requiring preservation of specified reasonable legal notices or
-    author attributions in that material or in the Appropriate Legal
-    Notices displayed by works containing it; or
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-  All other non-permissive additional terms are considered "further
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-received it, or any part of it, contains a notice stating that it is
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-a further restriction but permits relicensing or conveying under this
-License, you may add to a covered work material governed by the terms
-of that license document, provided that the further restriction does
-not survive such relicensing or conveying.
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-  Additional terms, permissive or non-permissive, may be stated in the
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-the above requirements apply either way.
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-  8. Termination.
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-  You may not propagate or modify a covered work except as expressly
-provided under this License.  Any attempt otherwise to propagate or
-modify it is void, and will automatically terminate your rights under
-this License (including any patent licenses granted under the third
-paragraph of section 11).
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-  However, if you cease all violation of this License, then your
-license from a particular copyright holder is reinstated (a)
-provisionally, unless and until the copyright holder explicitly and
-finally terminates your license, and (b) permanently, if the copyright
-holder fails to notify you of the violation by some reasonable means
-prior to 60 days after the cessation.
-
-  Moreover, your license from a particular copyright holder is
-reinstated permanently if the copyright holder notifies you of the
-violation by some reasonable means, this is the first time you have
-received notice of violation of this License (for any work) from that
-copyright holder, and you cure the violation prior to 30 days after
-your receipt of the notice.
-
-  Termination of your rights under this section does not terminate the
-licenses of parties who have received copies or rights from you under
-this License.  If your rights have been terminated and not permanently
-reinstated, you do not qualify to receive new licenses for the same
-material under section 10.
-
-  9. Acceptance Not Required for Having Copies.
-
-  You are not required to accept this License in order to receive or
-run a copy of the Program.  Ancillary propagation of a covered work
-occurring solely as a consequence of using peer-to-peer transmission
-to receive a copy likewise does not require acceptance.  However,
-nothing other than this License grants you permission to propagate or
-modify any covered work.  These actions infringe copyright if you do
-not accept this License.  Therefore, by modifying or propagating a
-covered work, you indicate your acceptance of this License to do so.
-
-  10. Automatic Licensing of Downstream Recipients.
-
-  Each time you convey a covered work, the recipient automatically
-receives a license from the original licensors, to run, modify and
-propagate that work, subject to this License.  You are not responsible
-for enforcing compliance by third parties with this License.
-
-  An "entity transaction" is a transaction transferring control of an
-organization, or substantially all assets of one, or subdividing an
-organization, or merging organizations.  If propagation of a covered
-work results from an entity transaction, each party to that
-transaction who receives a copy of the work also receives whatever
-licenses to the work the party's predecessor in interest had or could
-give under the previous paragraph, plus a right to possession of the
-Corresponding Source of the work from the predecessor in interest, if
-the predecessor has it or can get it with reasonable efforts.
-
-  You may not impose any further restrictions on the exercise of the
-rights granted or affirmed under this License.  For example, you may
-not impose a license fee, royalty, or other charge for exercise of
-rights granted under this License, and you may not initiate litigation
-(including a cross-claim or counterclaim in a lawsuit) alleging that
-any patent claim is infringed by making, using, selling, offering for
-sale, or importing the Program or any portion of it.
-
-  11. Patents.
-
-  A "contributor" is a copyright holder who authorizes use under this
-License of the Program or a work on which the Program is based.  The
-work thus licensed is called the contributor's "contributor version".
-
-  A contributor's "essential patent claims" are all patent claims
-owned or controlled by the contributor, whether already acquired or
-hereafter acquired, that would be infringed by some manner, permitted
-by this License, of making, using, or selling its contributor version,
-but do not include claims that would be infringed only as a
-consequence of further modification of the contributor version.  For
-purposes of this definition, "control" includes the right to grant
-patent sublicenses in a manner consistent with the requirements of
-this License.
-
-  Each contributor grants you a non-exclusive, worldwide, royalty-free
-patent license under the contributor's essential patent claims, to
-make, use, sell, offer for sale, import and otherwise run, modify and
-propagate the contents of its contributor version.
-
-  In the following three paragraphs, a "patent license" is any express
-agreement or commitment, however denominated, not to enforce a patent
-(such as an express permission to practice a patent or covenant not to
-sue for patent infringement).  To "grant" such a patent license to a
-party means to make such an agreement or commitment not to enforce a
-patent against the party.
-
-  If you convey a covered work, knowingly relying on a patent license,
-and the Corresponding Source of the work is not available for anyone
-to copy, free of charge and under the terms of this License, through a
-publicly available network server or other readily accessible means,
-then you must either (1) cause the Corresponding Source to be so
-available, or (2) arrange to deprive yourself of the benefit of the
-patent license for this particular work, or (3) arrange, in a manner
-consistent with the requirements of this License, to extend the patent
-license to downstream recipients.  "Knowingly relying" means you have
-actual knowledge that, but for the patent license, your conveying the
-covered work in a country, or your recipient's use of the covered work
-in a country, would infringe one or more identifiable patents in that
-country that you have reason to believe are valid.
-
-  If, pursuant to or in connection with a single transaction or
-arrangement, you convey, or propagate by procuring conveyance of, a
-covered work, and grant a patent license to some of the parties
-receiving the covered work authorizing them to use, propagate, modify
-or convey a specific copy of the covered work, then the patent license
-you grant is automatically extended to all recipients of the covered
-work and works based on it.
-
-  A patent license is "discriminatory" if it does not include within
-the scope of its coverage, prohibits the exercise of, or is
-conditioned on the non-exercise of one or more of the rights that are
-specifically granted under this License.  You may not convey a covered
-work if you are a party to an arrangement with a third party that is
-in the business of distributing software, under which you make payment
-to the third party based on the extent of your activity of conveying
-the work, and under which the third party grants, to any of the
-parties who would receive the covered work from you, a discriminatory
-patent license (a) in connection with copies of the covered work
-conveyed by you (or copies made from those copies), or (b) primarily
-for and in connection with specific products or compilations that
-contain the covered work, unless you entered into that arrangement,
-or that patent license was granted, prior to 28 March 2007.
-
-  Nothing in this License shall be construed as excluding or limiting
-any implied license or other defenses to infringement that may
-otherwise be available to you under applicable patent law.
-
-  12. No Surrender of Others' Freedom.
-
-  If conditions are imposed on you (whether by court order, agreement or
-otherwise) that contradict the conditions of this License, they do not
-excuse you from the conditions of this License.  If you cannot convey a
-covered work so as to satisfy simultaneously your obligations under this
-License and any other pertinent obligations, then as a consequence you may
-not convey it at all.  For example, if you agree to terms that obligate you
-to collect a royalty for further conveying from those to whom you convey
-the Program, the only way you could satisfy both those terms and this
-License would be to refrain entirely from conveying the Program.
-
-  13. Use with the GNU Affero General Public License.
-
-  Notwithstanding any other provision of this License, you have
-permission to link or combine any covered work with a work licensed
-under version 3 of the GNU Affero General Public License into a single
-combined work, and to convey the resulting work.  The terms of this
-License will continue to apply to the part which is the covered work,
-but the special requirements of the GNU Affero General Public License,
-section 13, concerning interaction through a network will apply to the
-combination as such.
-
-  14. Revised Versions of this License.
-
-  The Free Software Foundation may publish revised and/or new versions of
-the GNU General Public License from time to time.  Such new versions will
-be similar in spirit to the present version, but may differ in detail to
-address new problems or concerns.
-
-  Each version is given a distinguishing version number.  If the
-Program specifies that a certain numbered version of the GNU General
-Public License "or any later version" applies to it, you have the
-option of following the terms and conditions either of that numbered
-version or of any later version published by the Free Software
-Foundation.  If the Program does not specify a version number of the
-GNU General Public License, you may choose any version ever published
-by the Free Software Foundation.
-
-  If the Program specifies that a proxy can decide which future
-versions of the GNU General Public License can be used, that proxy's
-public statement of acceptance of a version permanently authorizes you
-to choose that version for the Program.
-
-  Later license versions may give you additional or different
-permissions.  However, no additional obligations are imposed on any
-author or copyright holder as a result of your choosing to follow a
-later version.
-
-  15. Disclaimer of Warranty.
-
-  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
-APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
-HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
-OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
-THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
-IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
-ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
-
-  16. Limitation of Liability.
-
-  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
-WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
-THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
-GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
-USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
-DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
-PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
-EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
-SUCH DAMAGES.
-
-  17. Interpretation of Sections 15 and 16.
-
-  If the disclaimer of warranty and limitation of liability provided
-above cannot be given local legal effect according to their terms,
-reviewing courts shall apply local law that most closely approximates
-an absolute waiver of all civil liability in connection with the
-Program, unless a warranty or assumption of liability accompanies a
-copy of the Program in return for a fee.
-
-                     END OF TERMS AND CONDITIONS
-
-            How to Apply These Terms to Your New Programs
-
-  If you develop a new program, and you want it to be of the greatest
-possible use to the public, the best way to achieve this is to make it
-free software which everyone can redistribute and change under these terms.
-
-  To do so, attach the following notices to the program.  It is safest
-to attach them to the start of each source file to most effectively
-state the exclusion of warranty; and each file should have at least
-the "copyright" line and a pointer to where the full notice is found.
-
-    moodle-ffmpegavcc-filter-plugin: A Moodle filter plugin to scan messages and
-    course contents in order to convert different audio or video files using a webservice
-    for the ffmpeg conversion processes.
-    Copyright (C) 2021  Sven Patrick Meier
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-Also add information on how to contact you by electronic and paper mail.
-
-  If the program does terminal interaction, make it output a short
-notice like this when it starts in an interactive mode:
-
-    moodle-ffmpegavcc-filter-plugin  Copyright (C) 2021  Sven Patrick Meier
-    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
-    This is free software, and you are welcome to redistribute it
-    under certain conditions; type `show c' for details.
-
-The hypothetical commands `show w' and `show c' should show the appropriate
-parts of the General Public License.  Of course, your program's commands
-might be different; for a GUI interface, you would use an "about box".
-
-  You should also get your employer (if you work as a programmer) or school,
-if any, to sign a "copyright disclaimer" for the program, if necessary.
-For more information on this, and how to apply and follow the GNU GPL, see
-<https://www.gnu.org/licenses/>.
-
-  The GNU General Public License does not permit incorporating your program
-into proprietary programs.  If your program is a subroutine library, you
-may consider it more useful to permit linking proprietary applications with
-the library.  If this is what you want to do, use the GNU Lesser General
-Public License instead of this License.  But first, please read
-<https://www.gnu.org/licenses/why-not-lgpl.html>.
\ No newline at end of file
diff --git a/LICENSE.md b/LICENSE.md
new file mode 100644
index 0000000..496acdb
--- /dev/null
+++ b/LICENSE.md
@@ -0,0 +1,675 @@
+# GNU GENERAL PUBLIC LICENSE
+
+Version 3, 29 June 2007
+
+Copyright (C) 2007 Free Software Foundation, Inc.
+<https://fsf.org/>
+
+Everyone is permitted to copy and distribute verbatim copies of this
+license document, but changing it is not allowed.
+
+## Preamble
+
+The GNU General Public License is a free, copyleft license for
+software and other kinds of works.
+
+The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works. By contrast,
+the GNU General Public License is intended to guarantee your freedom
+to share and change all versions of a program--to make sure it remains
+free software for all its users. We, the Free Software Foundation, use
+the GNU General Public License for most of our software; it applies
+also to any other work released this way by its authors. You can apply
+it to your programs, too.
+
+When we speak of free software, we are referring to freedom, not
+price. Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
+want it, that you can change the software or use pieces of it in new
+free programs, and that you know you can do these things.
+
+To protect your rights, we need to prevent others from denying you
+these rights or asking you to surrender the rights. Therefore, you
+have certain responsibilities if you distribute copies of the
+software, or if you modify it: responsibilities to respect the freedom
+of others.
+
+For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must pass on to the recipients the same
+freedoms that you received. You must make sure that they, too, receive
+or can get the source code. And you must show them these terms so they
+know their rights.
+
+Developers that use the GNU GPL protect your rights with two steps:
+(1) assert copyright on the software, and (2) offer you this License
+giving you legal permission to copy, distribute and/or modify it.
+
+For the developers' and authors' protection, the GPL clearly explains
+that there is no warranty for this free software. For both users' and
+authors' sake, the GPL requires that modified versions be marked as
+changed, so that their problems will not be attributed erroneously to
+authors of previous versions.
+
+Some devices are designed to deny users access to install or run
+modified versions of the software inside them, although the
+manufacturer can do so. This is fundamentally incompatible with the
+aim of protecting users' freedom to change the software. The
+systematic pattern of such abuse occurs in the area of products for
+individuals to use, which is precisely where it is most unacceptable.
+Therefore, we have designed this version of the GPL to prohibit the
+practice for those products. If such problems arise substantially in
+other domains, we stand ready to extend this provision to those
+domains in future versions of the GPL, as needed to protect the
+freedom of users.
+
+Finally, every program is threatened constantly by software patents.
+States should not allow patents to restrict development and use of
+software on general-purpose computers, but in those that do, we wish
+to avoid the special danger that patents applied to a free program
+could make it effectively proprietary. To prevent this, the GPL
+assures that patents cannot be used to render the program non-free.
+
+The precise terms and conditions for copying, distribution and
+modification follow.
+
+## TERMS AND CONDITIONS
+
+### 0. Definitions.
+
+"This License" refers to version 3 of the GNU General Public License.
+
+"Copyright" also means copyright-like laws that apply to other kinds
+of works, such as semiconductor masks.
+
+"The Program" refers to any copyrightable work licensed under this
+License. Each licensee is addressed as "you". "Licensees" and
+"recipients" may be individuals or organizations.
+
+To "modify" a work means to copy from or adapt all or part of the work
+in a fashion requiring copyright permission, other than the making of
+an exact copy. The resulting work is called a "modified version" of
+the earlier work or a work "based on" the earlier work.
+
+A "covered work" means either the unmodified Program or a work based
+on the Program.
+
+To "propagate" a work means to do anything with it that, without
+permission, would make you directly or secondarily liable for
+infringement under applicable copyright law, except executing it on a
+computer or modifying a private copy. Propagation includes copying,
+distribution (with or without modification), making available to the
+public, and in some countries other activities as well.
+
+To "convey" a work means any kind of propagation that enables other
+parties to make or receive copies. Mere interaction with a user
+through a computer network, with no transfer of a copy, is not
+conveying.
+
+An interactive user interface displays "Appropriate Legal Notices" to
+the extent that it includes a convenient and prominently visible
+feature that (1) displays an appropriate copyright notice, and (2)
+tells the user that there is no warranty for the work (except to the
+extent that warranties are provided), that licensees may convey the
+work under this License, and how to view a copy of this License. If
+the interface presents a list of user commands or options, such as a
+menu, a prominent item in the list meets this criterion.
+
+### 1. Source Code.
+
+The "source code" for a work means the preferred form of the work for
+making modifications to it. "Object code" means any non-source form of
+a work.
+
+A "Standard Interface" means an interface that either is an official
+standard defined by a recognized standards body, or, in the case of
+interfaces specified for a particular programming language, one that
+is widely used among developers working in that language.
+
+The "System Libraries" of an executable work include anything, other
+than the work as a whole, that (a) is included in the normal form of
+packaging a Major Component, but which is not part of that Major
+Component, and (b) serves only to enable use of the work with that
+Major Component, or to implement a Standard Interface for which an
+implementation is available to the public in source code form. A
+"Major Component", in this context, means a major essential component
+(kernel, window system, and so on) of the specific operating system
+(if any) on which the executable work runs, or a compiler used to
+produce the work, or an object code interpreter used to run it.
+
+The "Corresponding Source" for a work in object code form means all
+the source code needed to generate, install, and (for an executable
+work) run the object code and to modify the work, including scripts to
+control those activities. However, it does not include the work's
+System Libraries, or general-purpose tools or generally available free
+programs which are used unmodified in performing those activities but
+which are not part of the work. For example, Corresponding Source
+includes interface definition files associated with source files for
+the work, and the source code for shared libraries and dynamically
+linked subprograms that the work is specifically designed to require,
+such as by intimate data communication or control flow between those
+subprograms and other parts of the work.
+
+The Corresponding Source need not include anything that users can
+regenerate automatically from other parts of the Corresponding Source.
+
+The Corresponding Source for a work in source code form is that same
+work.
+
+### 2. Basic Permissions.
+
+All rights granted under this License are granted for the term of
+copyright on the Program, and are irrevocable provided the stated
+conditions are met. This License explicitly affirms your unlimited
+permission to run the unmodified Program. The output from running a
+covered work is covered by this License only if the output, given its
+content, constitutes a covered work. This License acknowledges your
+rights of fair use or other equivalent, as provided by copyright law.
+
+You may make, run and propagate covered works that you do not convey,
+without conditions so long as your license otherwise remains in force.
+You may convey covered works to others for the sole purpose of having
+them make modifications exclusively for you, or provide you with
+facilities for running those works, provided that you comply with the
+terms of this License in conveying all material for which you do not
+control copyright. Those thus making or running the covered works for
+you must do so exclusively on your behalf, under your direction and
+control, on terms that prohibit them from making any copies of your
+copyrighted material outside their relationship with you.
+
+Conveying under any other circumstances is permitted solely under the
+conditions stated below. Sublicensing is not allowed; section 10 makes
+it unnecessary.
+
+### 3. Protecting Users' Legal Rights From Anti-Circumvention Law.
+
+No covered work shall be deemed part of an effective technological
+measure under any applicable law fulfilling obligations under article
+11 of the WIPO copyright treaty adopted on 20 December 1996, or
+similar laws prohibiting or restricting circumvention of such
+measures.
+
+When you convey a covered work, you waive any legal power to forbid
+circumvention of technological measures to the extent such
+circumvention is effected by exercising rights under this License with
+respect to the covered work, and you disclaim any intention to limit
+operation or modification of the work as a means of enforcing, against
+the work's users, your or third parties' legal rights to forbid
+circumvention of technological measures.
+
+### 4. Conveying Verbatim Copies.
+
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+### 7. Additional Terms.
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+Additional terms, permissive or non-permissive, may be stated in the
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+### 8. Termination.
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+However, if you cease all violation of this License, then your license
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+### 9. Acceptance Not Required for Having Copies.
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+### 10. Automatic Licensing of Downstream Recipients.
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+### 11. Patents.
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+A "contributor" is a copyright holder who authorizes use under this
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+A contributor's "essential patent claims" are all patent claims owned
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+A patent license is "discriminatory" if it does not include within the
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+
+Nothing in this License shall be construed as excluding or limiting
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+
+### 12. No Surrender of Others' Freedom.
+
+If conditions are imposed on you (whether by court order, agreement or
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+
+### 13. Use with the GNU Affero General Public License.
+
+Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
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+
+### 14. Revised Versions of this License.
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+The Free Software Foundation may publish revised and/or new versions
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+detail to address new problems or concerns.
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+of any later version published by the Free Software Foundation. If the
+Program does not specify a version number of the GNU General Public
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+If the Program specifies that a proxy can decide which future versions
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+
+Later license versions may give you additional or different
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+
+### 15. Disclaimer of Warranty.
+
+THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT
+WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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+
+### 16. Limitation of Liability.
+
+IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR
+CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
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+NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR
+LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM
+TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER
+PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+
+### 17. Interpretation of Sections 15 and 16.
+
+If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+END OF TERMS AND CONDITIONS
+
+## How to Apply These Terms to Your New Programs
+
+If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these
+terms.
+
+To do so, attach the following notices to the program. It is safest to
+attach them to the start of each source file to most effectively state
+the exclusion of warranty; and each file should have at least the
+"copyright" line and a pointer to where the full notice is found.
+
+        <one line to give the program's name and a brief idea of what it does.>
+        Copyright (C) <year>  <name of author>
+
+        This program is free software: you can redistribute it and/or modify
+        it under the terms of the GNU General Public License as published by
+        the Free Software Foundation, either version 3 of the License, or
+        (at your option) any later version.
+
+        This program is distributed in the hope that it will be useful,
+        but WITHOUT ANY WARRANTY; without even the implied warranty of
+        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+        GNU General Public License for more details.
+
+        You should have received a copy of the GNU General Public License
+        along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper
+mail.
+
+If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+        <program>  Copyright (C) <year>  <name of author>
+        This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+        This is free software, and you are welcome to redistribute it
+        under certain conditions; type `show c' for details.
+
+The hypothetical commands \`show w' and \`show c' should show the
+appropriate parts of the General Public License. Of course, your
+program's commands might be different; for a GUI interface, you would
+use an "about box".
+
+You should also get your employer (if you work as a programmer) or
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary. For more information on this, and how to apply and follow
+the GNU GPL, see <https://www.gnu.org/licenses/>.
+
+The GNU General Public License does not permit incorporating your
+program into proprietary programs. If your program is a subroutine
+library, you may consider it more useful to permit linking proprietary
+applications with the library. If this is what you want to do, use the
+GNU Lesser General Public License instead of this License. But first,
+please read <https://www.gnu.org/licenses/why-not-lgpl.html>.
diff --git a/README.md b/README.md
index 1c8021b..ba295ca 100644
--- a/README.md
+++ b/README.md
@@ -1,14 +1,67 @@
-# Moodle ffmpegavcc-Filter
+# Moodle ffmpeg based HTML5 audio/video to MP4 filter
 
-This Repository contains the code for the moodle ffmpegavcc-filter plugin as well as the setup for development.
-"ffmpegavcc" is the short form of "ffmpeg audio/video compabitbility converter".
+This Plugin is based on the HTML5 audio/video to MP4 filter from [Nicolas Dunand](https://github.com/ndunand/moodle-filter_html5avtomp4) and changes its implementation in a way that all ffmpeg conversions are executed by a webservice. This allows users to profit from the functionality provided by the filter without the need to have `ffmpeg` installed on your Moodle Server.
 
-Running `docker-compose up` in the root of the project will start a Moodle instance and its database.
+## About
+
+> This filter allows the automated creation of MP4 sources for HTML5 `<audio>` and `<video>` elements.
+>
+> This is particularly useful if some users are using [atto_recordrtc](https://docs.moodle.org/37/en/RecordRTC) because most browsers create `.ogg` files for audio and `.webm` files for video, which are not playable in Safari.
+>
+> This plugin then checks for the existence of an `mp4` source in the same file area and provides it automatically if it exists. In the case the `mp4` source does not exist, it is created via a scheduled task.
+
+This filter extends the original functionality in a way that `audio` elements are converted to a compatible audio format (`mp3`) whereas `video` elements are converted to `mp4`.
+
+## Requirements
+
+A running [`ffmpeg-conversion-webservice`](https://github.com/team-parallax/dynamic-conversion-service/) and its url to be set in plugin settings.
+
+## Installation
+
+> [!NOTE]
+> Make sure that the [conversion webservice](https://github.com/team-parallax/dynamic-conversion-service/blob/main/README.md) is running before trying to use the ffmpegavcc-filter
+
+1. Create a `.zip` archive of the ffmpegavcc-filter. For example via the CLI in the project root directory with:
+    ```bash
+    zip -r ffmpegavcc.zip -x '.*' '*test*' -u .
+    ```
+2. Make sure your moodle instance and moodle database is running
+3. With an admin account log into moodle and head to `Dashboard / Site administration / Plugins / Install plugins`
+4. Under `Install plugin from ZIP file` select `Choose a file...` and choose the `ffmpegavcc.zip` that was created in step 1
+5. Click the `Install plugin from the ZIP file` button and click `Continue`/`Upgrade Moodle database now` until you reach the settings page
+6. Adapt the plugin settings to your liking **Make sure at least `Ffmpeg-Webservice URL` is set**
+   ![Screenshot of the admin area settings related to this plugin](docs/images/ffmpegavcc-settings.png)
+   (use `http://172.17.0.1:3000` if you run a local docker image of the conversion service)
+   Optionally you can:
+    - specify the file-extensions that should be converted by the filter
+    - choose whether to convert audio or video files
+    - delete the source file after a file was converted
+    - tweak the execution times of the scheduled task running the file conversions
+7. Head to `Dashboard / Site administration / Plugins / Filters / Manage filters`
+8. Activate the `ffmpegavcc - Compatibility Filter` and move it to the top via the arrow buttons
+9. Optionally: Head to the `Settings` of the `ffmpegavcc - Compatibility Filter` and click `Test Connection to Ffmpeg-Webservice` to make sure that the connection to the webservice is working as intended
+   [Hint: Here you may also change the settings you made in the installation step earlier]
+
+## Usage
+
+0. have a conversion service at your hand: `https://github.com/team-parallax/dynamic-conversion-service/`
+1. enable crons here: `http://localhost:8080/admin/settings.php?section=sitepolicies` and set `Cron execution via command line only` to `false`.
+2. create a new post with videos/audios in it (see our example files)
+3. then we curl it like so `curl 'http://localhost:8080/admin/cron.php?password=opensesame'` (if the password you've set is `opensesame`)
+4. wait until conversion is finished
+5. observe the added source of the audio/video html tag
+
+## Contributing
+
+### Moodle test instance
+
+Running `docker compose up` in the `test` folder of the project will start a Moodle instance and its database.
 When running this for the first time the instance will be initialized with a default moodle configuration.
 
-__Note__ that the moodle setup is not feasible for production environments.
+> [!WARNING]
+> This moodle setup is not feasible for production environments!
 
-## Running webservice tests
+### Running webservice tests
 
 These tests are intended to check if the communication functionality of the plugin works and handles the webservice responses correctly.
 
diff --git a/ffmpegavcc/classes/curl_handler.php b/classes/curl_handler.php
similarity index 100%
rename from ffmpegavcc/classes/curl_handler.php
rename to classes/curl_handler.php
diff --git a/ffmpegavcc/classes/privacy/provider.php b/classes/privacy/provider.php
similarity index 100%
rename from ffmpegavcc/classes/privacy/provider.php
rename to classes/privacy/provider.php
diff --git a/ffmpegavcc/classes/task/processjobs_task.php b/classes/task/processjobs_task.php
similarity index 100%
rename from ffmpegavcc/classes/task/processjobs_task.php
rename to classes/task/processjobs_task.php
diff --git a/ffmpegavcc/db/install.xml b/db/install.xml
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diff --git a/ffmpegavcc/LICENSE b/ffmpegavcc/LICENSE
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index f288702..0000000
--- a/ffmpegavcc/LICENSE
+++ /dev/null
@@ -1,674 +0,0 @@
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-public statement of acceptance of a version permanently authorizes you
-to choose that version for the Program.
-
-  Later license versions may give you additional or different
-permissions.  However, no additional obligations are imposed on any
-author or copyright holder as a result of your choosing to follow a
-later version.
-
-  15. Disclaimer of Warranty.
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-APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
-HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
-OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
-THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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-IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
-ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
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-  16. Limitation of Liability.
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-  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
-WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
-THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
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-USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
-DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
-PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
-EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
-SUCH DAMAGES.
-
-  17. Interpretation of Sections 15 and 16.
-
-  If the disclaimer of warranty and limitation of liability provided
-above cannot be given local legal effect according to their terms,
-reviewing courts shall apply local law that most closely approximates
-an absolute waiver of all civil liability in connection with the
-Program, unless a warranty or assumption of liability accompanies a
-copy of the Program in return for a fee.
-
-                     END OF TERMS AND CONDITIONS
-
-            How to Apply These Terms to Your New Programs
-
-  If you develop a new program, and you want it to be of the greatest
-possible use to the public, the best way to achieve this is to make it
-free software which everyone can redistribute and change under these terms.
-
-  To do so, attach the following notices to the program.  It is safest
-to attach them to the start of each source file to most effectively
-state the exclusion of warranty; and each file should have at least
-the "copyright" line and a pointer to where the full notice is found.
-
-    <one line to give the program's name and a brief idea of what it does.>
-    Copyright (C) <year>  <name of author>
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
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-    but WITHOUT ANY WARRANTY; without even the implied warranty of
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-    along with this program.  If not, see <https://www.gnu.org/licenses/>.
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-    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
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-    under certain conditions; type `show c' for details.
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-parts of the General Public License.  Of course, your program's commands
-might be different; for a GUI interface, you would use an "about box".
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-  You should also get your employer (if you work as a programmer) or school,
-if any, to sign a "copyright disclaimer" for the program, if necessary.
-For more information on this, and how to apply and follow the GNU GPL, see
-<https://www.gnu.org/licenses/>.
-
-  The GNU General Public License does not permit incorporating your program
-into proprietary programs.  If your program is a subroutine library, you
-may consider it more useful to permit linking proprietary applications with
-the library.  If this is what you want to do, use the GNU Lesser General
-Public License instead of this License.  But first, please read
-<https://www.gnu.org/licenses/why-not-lgpl.html>.
diff --git a/ffmpegavcc/README.md b/ffmpegavcc/README.md
deleted file mode 100644
index 7092cd5..0000000
--- a/ffmpegavcc/README.md
+++ /dev/null
@@ -1,50 +0,0 @@
-# Moodle Ffmpeg based HTML5 audio/video to MP4 filter
-
-This Plugin is based on the HTML5 audio/video to MP4 filter from [Nicolas Dunand](https://github.com/ndunand/moodle-filter_html5avtomp4) and changes its implementation in a way that all ffmpeg conversions are executed by a webservice. This allows users to profit from the functionality provided by the filter without the necesserity to have  `ffmpeg` installed on your Moodle Server.
-
-## About
-
-> This filter allows the automated creation of MP4 sources for HTML5 `<audio>` and `<video>` elements.
->
->This is particularly useful if some users are using [atto_recordrtc](https://docs.moodle.org/37/en/RecordRTC) because most browsers create `.ogg` files for audio and `.webm` files for video, which are not playable in Safari.
->
->This plugin then checks for the existence of an `mp4` source in the same file area and provides it automatically if it exists. In the case the `mp4` source does not exist, it is created via a scheduled task.
-
-This filter extends the original functionality in a way that `audio` elements are converted to a compatible audio format (`mp3`) whereas `video` elements are converted to `mp4`.
-
-## Requirements
-
-A running ffmpeg-conversion-webservice and its url to be set in plugin settings.
-
-## Installation
-
-[Note: Make sure that the [conversion webservice](https://github.com/team-parallax/dynamic-conversion-service/blob/main/README.md) is running before trying to use the ffmpegavcc-filter]
-
-1. Create a `.zip` archive of the ffmpegavcc-filter. For example via the CLI in the project root directory with:
-    ```console
-    zip -r -u ffmpegavcc.zip ./ffmpegavcc
-    ```
-2. Make sure your moodle instance and moodle database is running
-3. With an admin account log into moodle and head to `Dashboard / Site administration / Plugins / Install plugins`
-4. Under `Install plugin from ZIP file` select `Choose a file...` and choose the `ffmpegavcc.zip` that was created in step 1
-5. Click the `Install plugin from the ZIP file` button and click `Continue`/`Upgrade Moodle database now` until you reach the settings page
-6. Adapt the plugin settings to your liking [Make sure to at least set the `Ffmpeg-Webservice URL`]
-![plugin configuration screen](../resources/ffmpegavcc-settings.png)
-   (use `http://172.17.0.1:3000` if you run a local docker image of the conversion service)
-Optionally you can:
-   * specify the file-extensions that should be converted by the filter
-   * choose whether to convert audio or video files
-   * delete the source file after a file was converted
-   * tweak the execution times of the scheduled task running the file conversions
-7. Head to `Dashboard / Site administration / Plugins / Filters / Manage filters`
-8. Activate the `ffmpegavcc - Compatibility Filter` and move it to the top via the arrow buttons
-9. Optionally: Head to the `Settings` of the `ffmpegavcc - Compatibility Filter` and click `Test Connection to Ffmpeg-Webservice` to make sure that the connection to the webservice is working as intended
-[Hint: Here you may also change the settings you made in the installation step earlier]
-
-## Usage
-0. have a conversion service at your hand: `https://github.com/team-parallax/dynamic-conversion-service/`
-1. enable crons here: `http://localhost:8080/admin/settings.php?section=sitepolicies` and set `Cron execution via command line only` to `false`.
-2. create a new post with videos/audios in it (see our example files)
-3. then we curl it like so `curl 'http://localhost:8080/admin/cron.php?password=opensesame'` (if the password you've set is `opensesame`)
-4. wait until conversion is finished
-5. observe the added source of the audio/video html tag
diff --git a/ffmpegavcc/filter.php b/filter.php
similarity index 100%
rename from ffmpegavcc/filter.php
rename to filter.php
diff --git a/ffmpegavcc/lang/de/filter_ffmpegavcc.php b/lang/de/filter_ffmpegavcc.php
similarity index 100%
rename from ffmpegavcc/lang/de/filter_ffmpegavcc.php
rename to lang/de/filter_ffmpegavcc.php
diff --git a/ffmpegavcc/lang/en/filter_ffmpegavcc.php b/lang/en/filter_ffmpegavcc.php
similarity index 100%
rename from ffmpegavcc/lang/en/filter_ffmpegavcc.php
rename to lang/en/filter_ffmpegavcc.php
diff --git a/ffmpegavcc/locallib.php b/locallib.php
similarity index 100%
rename from ffmpegavcc/locallib.php
rename to locallib.php
diff --git a/ffmpegavcc/settings.php b/settings.php
similarity index 100%
rename from ffmpegavcc/settings.php
rename to settings.php
diff --git a/big-buck-bunny_trailer.webm b/test/data/big-buck-bunny_trailer.webm
similarity index 100%
rename from big-buck-bunny_trailer.webm
rename to test/data/big-buck-bunny_trailer.webm
diff --git a/file_example_OOG_1MB.ogg b/test/data/file_example_OOG_1MB.ogg
similarity index 100%
rename from file_example_OOG_1MB.ogg
rename to test/data/file_example_OOG_1MB.ogg
diff --git a/wikiexample.ogg b/test/data/wikiexample.ogg
similarity index 100%
rename from wikiexample.ogg
rename to test/data/wikiexample.ogg
diff --git a/docker-compose.moodle_4.1.4.yaml b/test/docker-compose.moodle_4.1.4.yaml
similarity index 100%
rename from docker-compose.moodle_4.1.4.yaml
rename to test/docker-compose.moodle_4.1.4.yaml
diff --git a/docker-compose.yaml b/test/docker-compose.yaml
similarity index 100%
rename from docker-compose.yaml
rename to test/docker-compose.yaml
diff --git a/test.php b/test/test.php
similarity index 94%
rename from test.php
rename to test/test.php
index ea97e9a..84b994f 100644
--- a/test.php
+++ b/test/test.php
@@ -3,6 +3,11 @@
 require 'ffmpegavcc/util.php';
 
 use \filter_ffmpegavcc\util\Utility;
+
+# relative path to the test file
+$conversionfile = "data/file_example_OGG_1MB.ogg";
+
+
 /* Array to store occuring errors during assertions */
 
 $errors = array();
@@ -59,9 +64,8 @@ function test_assertion($assertion, $desc = "")
      echo "Asserting for route: " . $route . "\n";
      test_assertion($response == $expected_res);
  }
-$conversionfile = "file_example_OGG_1MB.ogg";
 if (function_exists("curl_file_create")) {
-   $conversionfile = curl_file_create("file_example_OGG_1MB.ogg");
+   $conversionfile = curl_file_create($conversionfile);
 } else {
    $conversionfile = "@$conversionfile";
 }
diff --git a/ffmpegavcc/testffmpegfilter.php b/testffmpegfilter.php
similarity index 100%
rename from ffmpegavcc/testffmpegfilter.php
rename to testffmpegfilter.php
diff --git a/ffmpegavcc/util.php b/util.php
similarity index 100%
rename from ffmpegavcc/util.php
rename to util.php
diff --git a/ffmpegavcc/version.php b/version.php
similarity index 100%
rename from ffmpegavcc/version.php
rename to version.php