feat(RTVE): add presence

[Sailok25]

RTVE Presence

Added a new Presence for RTVE the Spanish public broadcaster website.
The presence supports:

Features:

• Live TV streams: Detects and displays currently watching live channels
• Video content: Shows series, movies, and documentaries with episode information
• Radio and podcasts: Supports RNE radio streams and audio content
• News articles: Detects browsing news sections with article titles
• Children's content: Clan TV section detection
• Young content: Playz section support
• Weather forecasts: El Tiempo meteorology section
• Automatically detects section (RTVE Play, Clan TV, RNE, El Tiempo, Playz, etc.)
• Extracts program titles, subtitles, and descriptions

Settings:

• Privacy mode: Hides detailed information while maintaining activity status
• Cover images: Toggle for displaying section-specific logos (RTVE or RTVE Play)

Technical Details:

• Follows TypeScript best practices with proper type annotations
• Efficient DOM queries with caching and error handling
• Supports all major RTVE subdomains and content types

Screenshots

Proof showing the creation/modification is working as expected

When watching a video/series:

Shows series title and episode information

When watching live TV:

Displays "EN DIRECTO" with channel name and live indicator

When browsing news/articles:

Shows section name and article title while browsing

Privacy mode active:

Generic text shown when privacy mode is enabled

Acknowledgements

• I read the Activity Guidelines
• The PR title follows the repo's commit conventions

[github-advanced-security]

ESLint found more than 20 potential problems in the proposed changes. Check the Files changed tab for more details.