feat(mixin): add TableBaseMixin and UUIDTableBaseMixin for async CRUD operations

- Implemented TableBaseMixin providing generic CRUD methods and automatic timestamp management.
- Introduced UUIDTableBaseMixin for models using UUID as primary keys.
- Added ListResponse for standardized paginated responses.
- Created TimeFilterRequest and PaginationRequest for filtering and pagination parameters.
- Enhanced get_with_count method to return both item list and total count.
- Included validation for time filter parameters in TimeFilterRequest.
- Improved documentation and usage examples throughout the code.

main.py

@@ -25,7 +25,7 @@ app = FastAPI(
 )
 
 # 挂载路由
-app.include_router(router, prefix='/api')
+app.include_router(router)
 
 # 防止直接运行 main.py
 if __name__ == "__main__":