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/.env.example

@@ -0,0 +1,29 @@
+# Env: dev、pro
+ENVIRONMENT='dev'
+# MySQL
+MYSQL_HOST='127.0.0.1'
+MYSQL_PORT=3306
+MYSQL_USER='root'
+MYSQL_PASSWORD='123456'
+# Redis
+REDIS_HOST='127.0.0.1'
+REDIS_PORT=6379
+REDIS_PASSWORD=''
+REDIS_DATABASE=0
+# Token
+TOKEN_SECRET_KEY='1VkVF75nsNABBjK_7-qz7GtzNy3AMvktc9TCPwKczCk'
+# Opera Log
+OPERA_LOG_ENCRYPT_SECRET_KEY='d77b25790a804c2b4a339dd0207941e4cefa5751935a33735bc73bb7071a005b'
+# Admin
+# OAuth2
+OAUTH2_GITHUB_CLIENT_ID='test'
+OAUTH2_GITHUB_CLIENT_SECRET='test'
+# Task
+# Celery
+CELERY_BROKER_REDIS_DATABASE=1
+CELERY_BACKEND_REDIS_DATABASE=2
+# Rabbitmq
+RABBITMQ_HOST='127.0.0.1'
+RABBITMQ_PORT=5672
+RABBITMQ_USERNAME='guest'
+RABBITMQ_PASSWORD='guest'