Update list of community examples

[benitav]

• Updates list of community examples: adds new ones, removes a few outdated ones, and organizes all community articles/projects as a flatter list by framework since I assume the content matters more than what kind of reference (article vs tutorial vs reference project) it is
• Also updates the husky precommit hook added in Run mint format on precommit #678 which failed for me. Reason was that my Mintilfy CLI was a different version than was run in that PR. We now pin the CLI to a specific version to maintain consistency. Additionally, per advice from Claude Code, we're now only re-staging files that were actually changed rather than running the check over all files. I think this should reduce noise for PRs - you only really should get this check for files that you updated.
• This also adds the formatting check to CI as previously suggested by @simolus3

🤖 Claude Code assisted with restructuring the community examples section, summarizing the community articles, and also helped troubleshoot, recommend and implement these fixes for the precommit issue.

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[claude]

Reviewed the changes against the writing standards. Found one issue, posted inline: the Flutter Instagram Clone entry's link and credited author changed from the previously listed repo/author, and that change isn't addressed in the PR description. Could not reach external URLs (GitHub repos, blog posts) in this environment to verify the other new community descriptions, but the page's own disclaimer that community entries aren't vetted covers that gap.