Refactor the backend architecture (#299)

* define the basic architecture

* Update script and deployment file locations

* Update the route registration

* Fix CI download dependencies

* Updated ruff to 0.3.3

* Update app subdirectory naming

* Update the model import

* fix pre-commit pdm lock

* Update the service directory naming

* Add CRUD method documents

* Fix the issue of circular import

* Update the README document

* Update the SQL statement for create tables

* Update docker scripts and documentation

* Fix docker scripts

* Update the backend README.md

* Add the security folder and move the redis client

* Update the configuration item

* Fix environment configuration reads

* Update the default configuration

* Updated README description

* Updated the user registration API

* Fix test cases

* Update the celery configuration

* Update and fix celery configuration

* Updated the celery structure

* Update celery tasks and api

* Add celery flower

* Update the import style

* Update contributors

backend/app/admin/tests/utils/__init__.py

@@ -0,0 +1,2 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-