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/translations/en.json

@@ -0,0 +1,24 @@
+{
+  "config": {
+    "step": {
+      "user": {
+        "title": "Busch-Radio Spotify Bridge",
+        "description": "Connect the integration to the running Busch-Radio add-on.\nThe password must match 'icecast_password' in the add-on configuration.",
+        "data": {
+          "host": "Hostname or IP address",
+          "port": "Icecast port",
+          "mount": "Stream mount path",
+          "password": "Icecast admin password"
+        }
+      }
+    },
+    "error": {
+      "cannot_connect": "Failed to connect to Icecast. Is the add-on running?",
+      "invalid_auth": "Wrong password. Compare with 'icecast_password' in the add-on config.",
+      "unknown": "Unknown error. Check the logs."
+    },
+    "abort": {
+      "already_configured": "This Icecast instance is already configured."
+    }
+  }
+}