feat: Add real-time quiz lobby functionality

- Implement WebSocket-based lobby system for quiz participants
- Add lobby page with real-time participant updates
- Create LobbyConsumer for WebSocket communication
- Add routing configuration for WebSocket connections
- Update requirements with WebSocket dependencies
- Add development and production server documentation

This change enables real-time quiz lobbies where participants can
join and wait for the quiz to start, with instant updates for all
connected users.

django/core/asgi.py

@@ -8,9 +8,21 @@ https://docs.djangoproject.com/en/5.1/howto/deployment/asgi/
 """
 
 import os
-
 from django.core.asgi import get_asgi_application
+from channels.routing import ProtocolTypeRouter, URLRouter
+from channels.auth import AuthMiddlewareStack
+import django
 
 os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'core.settings')
+django.setup()
 
-application = get_asgi_application()
+from play.routing import websocket_urlpatterns
+
+application = ProtocolTypeRouter({
+    'http': get_asgi_application(),
+    'websocket': AuthMiddlewareStack(
+        URLRouter(
+            websocket_urlpatterns
+        )
+    ),
+})