Remove trailing slashes and update redirected Ultralytics URLs

[pderrenger]

Canonicalizes Ultralytics links to their slash-free form and refreshes one redirected external link.

Trailing slashes (6 removed across 4 files)

Every ultralytics.com / *.ultralytics.com URL that ended in a terminating path slash now drops it. Only slashes terminating a path were touched — path separators, URL-encoded params, and non-Ultralytics hosts are untouched.

File	Before	After
README.md	https://www.ultralytics.com/ (logo link)	https://www.ultralytics.com
README.md	https://community.ultralytics.com/ (Forums badge target)	https://community.ultralytics.com
README.md	https://www.ultralytics.com/). (website sentence)	https://www.ultralytics.com).
thirdparty/altmany-export_fig-cafc7c5/README.md	https://www.ultralytics.com/ (logo link)	https://www.ultralytics.com
.github/ISSUE_TEMPLATE/bug-report.yml	https://docs.ultralytics.com/help/minimum-reproducible-example/	.../minimum-reproducible-example
.github/ISSUE_TEMPLATE/config.yml	https://community.ultralytics.com/	https://community.ultralytics.com

All six slash-free targets were verified to return HTTP 200 with no redirect hop.

Deliberately left alone:

• The 318 https://ultralytics.com/license headers — already slash-free, and written by Ultralytics Actions.
• The Forums badge image parameter server=https%3A%2F%2Fcommunity.ultralytics.com — URL-encoded and must stay byte-identical for shields.io.
• https://ultralytics.com/discord and https://ultralytics.com/bilibili — vanity shortlinks with no terminating slash.

Redirect refresh (1 accepted, 5 rejected)

Accepted:

• http://www.ghostscript.com → https://www.ghostscript.com in thirdparty/altmany-export_fig-cafc7c5/README.md — a permanent 301 HTTP→HTTPS upgrade (the server-added trailing slash was dropped to match the repo's canonical form).

Rejected after review:

• https://reddit.com/r/ultralytics → https://www.reddit.com/r/ultralytics/ — host/slash canonicalization only, not a content move; this is the standard Ultralytics README badge target used across repositories.
• https://github.com/altmany/export_fig/archive/master.zip → https://codeload.github.com/... — a temporary (302) archive-serving hop, not a durable link.
• https://www.cia.gov/library/publications/the-world-factbook/fields/2070.html → a "farewell" story page — the cited page is gone, not relocated.
• http://www.cartotalk.com → https://nacis.org/ — a defunct site collapsing onto a different organization's homepage.
• http://www.naturalearthdata.com/updates/ → .../updates/mail.cgi — a handler append, not a content move.

Scope notes

• mapping/ne_10m_*/*.README.html are archived snapshots of the Natural Earth website shipped alongside the shapefiles (they contain the site's WordPress login, admin, and forum links). They are historical third-party records, so their ~100 stale links were left untouched rather than rewritten.
• The vendored export_fig MATLAB sources were also left untouched; their URLs sit inside fprintf console-hyperlink strings in code pinned to upstream commit cafc7c5.

Flagged for follow-up (no code change)

• http://www.foolabs.com/xpdf in thirdparty/altmany-export_fig-cafc7c5/export_fig.m returns 404 — dead, and the site has no working replacement at that path.
• http://www.xpdfreader.com in thirdparty/altmany-export_fig-cafc7c5/README.md cannot be upgraded to HTTPS — the host fails TLS negotiation, so the HTTP form is intentionally retained.
• http://www.vliz.be/vmdcdata/marbound. (Natural Earth README) collapses to the marineregions.org homepage — a dead deep link needing a human-chosen replacement.

Validation

• Regex fixer exercised against positive and negative cases first (subdomains, protocol-relative, bare host, fragment/query, sentence-final punctuation, backtick and markdown delimiters; negatives covering github.com/ultralytics/..., look-alike hosts, URL-encoded params, {placeholder} templates, and /... ellipses).
• Re-scanned the tree afterwards: zero Ultralytics URLs retain a terminating slash.
• prettier@3.8.5 --print-width 120 --check clean on all changed files; all changed YAML parses.
• The diff is URL text only — no MATLAB source or binary assets were modified.

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Canonicalized six Ultralytics URLs by removing trailing slashes and updated the Ghostscript link to HTTPS without changing MATLAB code or assets.

📊 Key Changes

• Updated website and Community Forum links in the main and vendored README.md files to their slash-free canonical forms.
• Updated the minimum reproducible example link in .github/ISSUE_TEMPLATE/bug-report.yml.
• Updated the Community Forum contact link in .github/ISSUE_TEMPLATE/config.yml.
• Changed the Ghostscript dependency link in thirdparty/altmany-export_fig-cafc7c5/README.md from HTTP to HTTPS.
• Left archived third-party links, vendored MATLAB sources, URL-encoded parameters, and reviewed non-durable redirects unchanged.

🎯 Purpose & Impact

• README navigation and issue-template contact links now use canonical URLs, while the Ghostscript documentation link uses HTTPS.
• No MATLAB runtime or source behavior changed; the diff contains URL text updates only.

[UltralyticsAssistant]

👋 Hello @pderrenger, thank you for submitting a ultralytics/functions-matlab 🚀 PR! This automated message confirms your contribution was received, and an Ultralytics engineer will assist with the review. To ensure a seamless integration of your work, please review the following checklist:

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[UltralyticsAssistant]

🔍 PR Review

_{Made with ❤️ by Ultralytics Actions}

Reviewed all four changed files and the 14-line URL-only diff. The changes preserve link targets and surrounding Markdown/YAML behavior while removing the specified trailing slashes and upgrading the Ghostscript link to HTTPS. LGTM.

[UltralyticsAssistant]

🎉 PR #33 has been merged! Thank you, @pderrenger, for the careful cleanup.

“Alone we can do so little; together we can do so much.” — Helen Keller

This contribution canonicalizes Ultralytics URLs, upgrades the Ghostscript link to HTTPS, and keeps MATLAB code and assets unchanged.