upgrade to iroh v0.13.0, sendme iOS app

.gitignore

@@ -1,3 +1,93 @@
 /target
 tmp/*
 .sendme-*
+
+
+# Xcode
+
+## Build generated
+build/
+DerivedData/
+
+## Various settings
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+xcuserdata/
+*.xccheckout
+*.moved-aside
+*.xcscmblueprint
+
+## Obj-C/Swift specific
+*.hmap
+*.ipa
+*.dSYM.zip
+*.dSYM
+
+## Playgrounds
+timeline
+playground.xcworkspace
+
+# Swift Package Manager
+.build/
+
+# CocoaPods
+## Reference: https://www.gitignore.io/api/cocoapods
+# CocoaPods - Objective-C/Swift dependency manager
+#
+# We recommend against adding the Pods directory to your .gitignore. However
+# you should judge for yourself, the pros and cons are mentioned at:
+# https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control
+#
+# Pods/
+
+# Carthage
+Carthage/Build
+
+# fastlane
+## It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the 
+## screenshots whenever they are needed.
+## For more information about the recommended setup visit:
+## https://docs.fastlane.tools/best-practices/source-control/
+#
+# fastlane/report.xml
+# fastlane/Preview.html
+# fastlane/screenshots
+# fastlane/test_output
+
+# Code Injection
+injectionforxcode/
+
+# User Interface State
+*.userstate
+
+# Apple Watch
+*.DS_Store
+.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
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk