feat: add Immich integration view and API documentation, enhance error handling, and include SVG asset

backend/server/integrations/urls.py

@@ -1,10 +1,11 @@
 from django.urls import path, include
 from rest_framework.routers import DefaultRouter
-from integrations.views import ImmichIntegrationView
+from integrations.views import ImmichIntegrationView, IntegrationView
 
 # Create the router and register the ViewSet
 router = DefaultRouter()
 router.register(r'immich', ImmichIntegrationView, basename='immich')
+router.register(r'', IntegrationView, basename='integrations')
 
 # Include the router URLs
 urlpatterns = [