feat: add models for physical files, policies, and user management

- Implement PhysicalFile model to manage physical file references and reference counting.
- Create Policy model with associated options and group links for storage policies.
- Introduce Redeem and Report models for handling redeem codes and reports.
- Add Settings model for site configuration and user settings management.
- Develop Share model for sharing objects with unique codes and associated metadata.
- Implement SourceLink model for managing download links associated with objects.
- Create StoragePack model for managing user storage packages.
- Add Tag model for user-defined tags with manual and automatic types.
- Implement Task model for managing background tasks with status tracking.
- Develop User model with comprehensive user management features including authentication.
- Introduce UserAuthn model for managing WebAuthn credentials.
- Create WebDAV model for managing WebDAV accounts associated with users.

utils/http/http_exceptions.py

@@ -28,6 +28,10 @@ def raise_forbidden(detail: str | None = None, *args, **kwargs) -> NoReturn:
     """Raises an HTTP 403 Forbidden exception."""
     raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail=detail, *args, **kwargs)
 
+def raise_banned(detail: str = "此文件已被管理员封禁，仅允许删除操作", *args, **kwargs) -> NoReturn:
+    """Raises an HTTP 403 Forbidden exception for banned objects."""
+    raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail=detail, *args, **kwargs)
+
 def raise_not_found(detail: str | None = None, *args, **kwargs) -> NoReturn:
     """Raises an HTTP 404 Not Found exception."""
     raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail=detail, *args, **kwargs)