add: 添加配置文件

src/config.py

@@ -0,0 +1,31 @@
+#!/usr/bin/env python3
+# -- coding:utf-8 --
+# @Author: markushammered@gmail.com
+# @Development Tool: PyCharm
+# @Create Time: 2022/9/11
+# @File Name: config.py
+
+
+import os
+
+
+class Config:
+    """
+    database type. Default is sqlite
+    sqlite file path is "./src/db/data.sqlite", it is not exists, before you run server first
+    remote sqlite file url is "https://pac.rtst.tech/static_file_hosting/static/counter/data.sqlite"
+    you can download it manually
+    if you want to use mysql then replace "mysql-[Username]:[password]@[host]:[port]/[database]" with "sqlite"
+    example: mysql-root:114514@127.0.0.1:3306/homo
+    port is required
+    """
+    database = "sqlite"
+    if database != 'sqlite':
+        os.environ['m_user'] = database.split('-')[-1].split('@')[0].split(':')[0]
+        os.environ['m_password'] = database.split('-')[-1].split('@')[0].split(':')[1]
+        os.environ['m_host'] = database.split('-')[-1].split('@')[-1].split('/')[0].split(':')[0]
+        os.environ['m_port'] = database.split('-')[-1].split('@')[-1].split('/')[0].split(':')[1]
+        os.environ['m_database'] = database.split('-')[-1].split('@')[-1].split('/')[-1]
+
+
+