feat: add CinePlete LXC script

[sdblepas]

✍️ Description

Add CinePlete — a self-hosted tool that scans Plex or Jellyfin libraries and shows missing movies from franchises, directors, actors, and classics. Includes a dashboard with charts, Radarr/Overseerr/Jellyseerr integration, Letterboxd import, wishlist, and smart authentication.

🔗 Related PR / Issue

Link: #

✅ Prerequisites

• Self-review completed – Code follows project standards.
• Tested thoroughly – Changes work as expected.
• No breaking changes – Existing functionality remains intact.
• No security risks – No hardcoded secrets, unnecessary privilege escalations, or permission issues.

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🛠️ Type of Change

• 🆕 New script – A fully functional and tested script or script set.

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🔍 Code & Security Review

• Follows Code_Audit.md & CONTRIBUTING.md guidelines
• Uses correct script structure (AppName.sh, AppName-install.sh, AppName.json)
• No hardcoded credentials

📋 Additional Information

• Uses setup_uv for Python runtime
• Uses fetch_and_deploy_gh_release with tarball mode
• No database required — file-based storage (/data, /config)
• Uvicorn serves directly on port 7474, no Nginx needed
• Update function uses CLEAN_INSTALL=1 flag

📦 Application Requirements

• The application is at least 6 months old
• The application is actively maintained
• The application has 600+ GitHub stars (growing project, currently below threshold)
• Official release tarballs are published
• I understand that not all scripts will be accepted due to various reasons and criteria by the community-scripts ORG

🌐 Source

https://github.com/sdblepas/CinePlete

[CrazyWolf13]

@sdblepas

First Commit is from one month ago, app has 19 Stars.

[MickLesk]

We merge it in Dev, but we wait for merge into live and track the Project grown in next weeks.

[michelroegl-brunner]

Why would we merge such a young project even in dev?

[CrazyWolf13]

not matching requirements yet

[github-actions]

@sdblepas Closing stale PR due to inactivity (no commits for 7 days after stale label).

[CrazyWolf13]

@sdblepas Feel free to reopen the PR once the app is matching the requirements.

Sadly we don't have the manpower to keep up maintaining so many scripts, if we add every niche app :/