feat(api): split api into multiple apps (#1626)

Fixes #1622

- split the api into 4 apps: core, history, schedule, storage
- exploded the settings into testing/prod

api/libretime_api/storage/views/cloud_file.py

@@ -0,0 +1,10 @@
+from rest_framework import viewsets
+
+from ..models import CloudFile
+from ..serializers import CloudFileSerializer
+
+
+class CloudFileViewSet(viewsets.ModelViewSet):
+    queryset = CloudFile.objects.all()
+    serializer_class = CloudFileSerializer
+    model_permission_name = "cloudfile"