First commit of claude's rework in django + vanillajs fronted

apps/photos/urls.py

@@ -0,0 +1,13 @@
+from django.urls import include, path
+from rest_framework.routers import DefaultRouter
+
+from .views import GroupPhotoViewSet, PhotoUploadView, photo_data_view
+
+router = DefaultRouter()
+router.register(r'group-photos', GroupPhotoViewSet, basename='group-photo')
+
+urlpatterns = [
+    path('upload/', PhotoUploadView.as_view(), name='photo-upload'),
+    path('<int:pk>/data/', photo_data_view, name='photo-data'),
+    path('', include(router.urls)),
+]