tuitube: add page

[SiddhiPandey08]

Checklist

• The page(s) are in the correct platform directories: common, linux, osx, windows, sunos, android, etc.
• The page description(s) have links to documentation or a homepage.
• The page(s) follow the content guidelines.
• The page(s) follow the style guide.
• The PR contains at most 5 new pages.
• The PR is authored by me, or has been human-reviewed if it was created with AI or machine translation software.
• The PR title conforms to the recommended templates.
  -tuitube@202512231125
• Reference issue: Page request: tuitube #21076

[Copilot]

Pull request overview

Adds a new Linux tldr page for tuitube, a terminal UI wrapper around yt-dlp, addressing the page request in issue #21076.

Changes:

• Introduces pages/linux/tuitube.md with a short description and examples for interactive usage and downloading content.
• Documents common flags for format selection, audio-only downloads, output location, and help.

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[znarfm]

> tuitube -h

Video Downloader

Usage: <binary> [command]

Commands:
  index                Download Video  Download video with parameters

Options:
  --help, -h          Show this help message
  --version, -v       Show version

There are no such this as --format, --audio-only, and --output options listed on the command's help page. tuitube {{url}} also does not work.

[znarfm]

Also, #21184 already exists