feat(api): rename track type to library

Related to #1922

- rename library model fields

api/libretime_api/storage/views/library.py

@@ -0,0 +1,10 @@
+from rest_framework import viewsets
+
+from ..models import Library
+from ..serializers import LibrarySerializer
+
+
+class LibraryViewSet(viewsets.ModelViewSet):
+    queryset = Library.objects.all()
+    serializer_class = LibrarySerializer
+    model_permission_name = "library"