Refactor and enhance OAuth2.0 implementation; update models and routes

- Refactored AdminSummaryData and AdminSummaryResponse classes for better clarity.
- Added OAUTH type to SettingsType enum.
- Cleaned up imports in webdav.py.
- Updated admin router to improve summary data retrieval and response handling.
- Enhanced file management routes with better condition handling and user storage updates.
- Improved group management routes by optimizing data retrieval.
- Refined task management routes for better condition handling.
- Updated user management routes to streamline access token retrieval.
- Implemented a new captcha verification structure with abstract base class.
- Removed deprecated env.md file and replaced with a new structured version.
- Introduced a unified OAuth2.0 client base class for GitHub and QQ integrations.
- Enhanced password management with improved hashing strategies.
- Added detailed comments and documentation throughout the codebase for clarity.

models/migration.py

@@ -120,7 +120,6 @@ Neue',Helvetica,Arial,sans-serif; box-sizing: border-box; font-size: 14px; verti
 async def init_default_settings() -> None:
     from .setting import Setting
     from .database import get_session
-    from sqlalchemy import and_
 
     log.info('初始化设置...')
 
@@ -128,7 +127,7 @@ async def init_default_settings() -> None:
         # 检查是否已经存在版本设置
         ver = await Setting.get(
             session,
-            and_(Setting.type == SettingsType.VERSION, Setting.name == f"db_version_{BackendVersion}")
+            (Setting.type == SettingsType.VERSION) & (Setting.name == f"db_version_{BackendVersion}")
         )
         if ver and ver.value == "installed":
             return