Major changes:
- Add ChannelAdapter for grid display functionality
- Add ChannelRepository for data management
- Add PlayerActivity for dedicated video playback
- Add StreamChannel model for channel representation
- Update MainActivity to support grid layout
- Update activity_main.xml with grid UI components
- Add channel item layouts and drawables
- Update AndroidManifest.xml with new activity
- Update build.gradle dependencies
This implements the requested "grilla arreglada" functionality with proper channel grid display and management.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
renato97
e6b4d0825b