Enable broadcasting rooms in fishjam container

Author: Karolk99

docker-compose-test.yaml

@@ -17,6 +17,7 @@ services:
       FJ_SECRET_KEY_BASE: "super-secret-key"
       FJ_SIP_IP: "127.0.0.1"
       FJ_COMPONENTS_USED: "rtsp file hls recording sip"
+      FJ_BROADCASTING_ENABLED: "true"
       FJ_BROADCASTER_URL: "http://broadcaster:4000" 
       FJ_BROADCASTER_TOKEN: "broadcaster_token" 
       FJ_BROADCASTER_WHIP_TOKEN: "whip_token"