create mesh app and basic asgi websocket setup for communication

src/c3nav/asgi.py

@@ -0,0 +1,16 @@
+import os
+
+from channels.auth import AuthMiddlewareStack
+from channels.routing import ProtocolTypeRouter, URLRouter
+from django.core.asgi import get_asgi_application
+
+from c3nav.urls import websocket_urlpatterns
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'mysite.settings')
+
+application = ProtocolTypeRouter({
+  "http": get_asgi_application(),
+  "websocket": AuthMiddlewareStack(
+    URLRouter(websocket_urlpatterns)
+  ),
+})