feat: Android Auto

[MarmoPL]

Comprehensive Android Auto Integration

Full-scale integration for Android Auto, providing users with a seamless streaming experience directly from their vehicle's head unit. The architecture is designed with extensibility in mind, laying the groundwork for a future Apple CarPlay implementation.

✨ Key Features

• Seamless Streaming: A dedicated Android Auto interface for high-quality audio playback.
• Background Resilience: Full support for playback even when the mobile application is closed or in the background.
• Auto-Launch: Automatically resumes playback upon connection to the vehicle's display.
• Dynamic Metadata: Real-time fetching of track information, displaying the currently playing song alongside the station name.
• CarPlay Ready: Shared abstraction layers to facilitate a future port to CarPlay.

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App UI & Integration

Real Life View	Main Screen

Other Views

Recently Played	Schedule View	Player

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Important

Integrates Android Auto with enhanced audio streaming using just_audio and audio_service, preparing for future CarPlay support.

• Android Auto Integration:
  • Added Android Auto support in AndroidManifest.xml with automotive_app_desc.xml for media usage.
  • Introduced RadioAudioHandlerBridge in radio_audio_handler.dart for audio service management.
  • Updated main.dart to initialize AudioService with RadioAudioHandlerBridge.
• Audio Management:
  • Replaced audioplayers with just_audio and audio_service for better integration.
  • Updated my_audio_player.dart to use just_audio streams for player state, duration, and position.
  • Added NowPlaying model in now_playing.dart for track metadata.
• UI and Metadata:
  • RadioLuzView in radio_luz_view.dart preloads audio stream on load.
  • audio_player_streams.dart provides streams for player state and volume.
  • radio_player_controller.dart manages audio playback and volume control.
• Miscellaneous:
  • Removed audioplayers plugin from pubspec.yaml and related generated files.
  • Updated pubspec.yaml to include just_audio, audio_service, and audio_session.

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[MarmoPL]

quick replies, began working on requested changes

[MarmoPL]

done doing requested changes