Add Android TV Edition support

- Update AndroidManifest.xml for TV compatibility
- Add ChannelAdapter with D-pad navigation support
- Update MainActivity for TV UI optimization
- Add Android TV specific resources:
  - banner_streamplayer.xml for TV launcher
  - bg_channel_item_selector for focus states
  - values-sw720dp for large screens
  - integers.xml for TV configurations
- Update item_channel.xml for TV navigation
- Remove unused mobile-specific drawable

Features:
- Android TV Leanback support
- D-pad navigation optimization
- TV-optimized layouts and focus management
- Large screen resources for TV displays

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/src/main/res/values/integers.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <integer name="channel_grid_span">3</integer>
+</resources>