Erster View und erstes Template angelegt, URL /speisekarte registriert.

mensa_core/urls.py

@@ -15,8 +15,9 @@ Including another URLconf
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
 from django.contrib import admin
-from django.urls import path
+from django.urls import path, include
 
 urlpatterns = [
     path('admin/', admin.site.urls),
+    path('', include('mensa_app.urls')), # Schaltet die App-URLs frei
 ]