feat: add group statistics on profile page

* resolve file not found error and add constants

* add group stats and storage functionality

* generate new types

* add statistics and storage cap graphs

* fix: add loadFood query param #1103

* refactor to flex view

mealie/schema/group/__init__.py

@@ -6,5 +6,6 @@ from .group_migration import *
 from .group_permissions import *
 from .group_preferences import *
 from .group_shopping_list import *
+from .group_statistics import *
 from .invite_token import *
 from .webhook import *