index.html is now served from SPIFFS. You can add rfid tag -> folder mappings via the webinterface. And I've added the missing controller json data messages.

include/controller.h

@@ -49,6 +49,7 @@ public:
 	void set_mqtt_client(MQTTClient* m);
 	void register_http_server(HTTPServer* h);
 	void loop();
+	void send_controller_status();
 	void send_player_status();
 	void send_playlist_manager_status();
 	void send_position();