feat: Dynamically fetch TURN credentials, improve WebRTC connection stability with ICE restart logic, and configure TURN via environment variables.

docker-compose.yml

@@ -8,6 +8,8 @@ services:
     restart: always
     environment:
       - BROADCASTER_PASSWORD=MySuperSecurePassword123
+      - TURN_USER=myuser
+      - TURN_PASSWORD=mypassword
 
   coturn:
     image: coturn/coturn:latest