Initial release: Emby Media Player integration for Home Assistant

Features:
- Media player entities for active Emby client sessions
- Full playback control (play, pause, stop, seek)
- Volume control and mute/unmute
- Next/previous track navigation
- Media metadata display (title, artist, album, thumbnail)
- Media library browsing
- WebSocket for real-time state updates with polling fallback
- Config flow UI for easy setup
- HACS compatible

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

custom_components/emby_player/manifest.json

@@ -0,0 +1,12 @@
+{
+  "domain": "emby_player",
+  "name": "Emby Media Player",
+  "codeowners": [],
+  "config_flow": true,
+  "dependencies": [],
+  "documentation": "https://github.com/your-repo/haos-integration-emby",
+  "iot_class": "local_push",
+  "issue_tracker": "https://github.com/your-repo/haos-integration-emby/issues",
+  "requirements": [],
+  "version": "1.0.0"
+}