This commit introduces a new PUT endpoint `/api/v1/config/normalsub/edit_subpath` to allow modification of the NormalSub service's subpath. - Added `EditSubPathInputBody` Pydantic model for request validation. - Implemented the API endpoint in `normalsub.py` router, calling the corresponding `cli_api.edit_normalsub_subpath` function. - Includes error handling for validation and general exceptions.