Initiales Release: Busch-Radio Spotify Bridge v1.0.0

Stellt Spotify-Musik via Spotify Connect als HTTP-MP3-Stream bereit,
den das Busch-Jäger Unterputz-Internetradio direkt abspielen kann.

Komponenten:
- ha-addon/: Home Assistant Add-on (librespot + ffmpeg + Icecast2)
- custom_components/: Optionale HA Integration mit Media-Player-Entity
- README.md: Vollständige Installations- und Konfigurationsanleitung
- example-config.yaml: Kommentierte Beispielkonfiguration

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

custom_components/busch_radio_spotify/manifest.json

@@ -0,0 +1,12 @@
+{
+  "domain": "busch_radio_spotify",
+  "name": "Busch-Radio Spotify Bridge",
+  "version": "1.0.0",
+  "documentation": "https://gitea.example.com/retr0/busch-radio-spotify",
+  "issue_tracker": "https://gitea.example.com/retr0/busch-radio-spotify/issues",
+  "requirements": [],
+  "dependencies": [],
+  "codeowners": ["@retr0"],
+  "iot_class": "local_polling",
+  "config_flow": true
+}