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.

service/captcha/turnstile.py

@@ -1,21 +1,7 @@
-import aiohttp
+from . import CaptchaBase
 
-from . import CaptchaRequestBase
 
-async def verify_captcha(request: CaptchaRequestBase) -> bool:
-    """
-    验证 Turnstile 的 token 是否有效。
-    
-    :return: 如果验证成功返回 True，否则返回 False
-    :rtype: bool
-    """
-    verify_url = "https://challenges.cloudflare.com/turnstile/v0/siteverify"
-    payload = request.model_dump()
-    
-    async with aiohttp.ClientSession() as session:
-        async with session.post(verify_url, data=payload) as response:
-            if response.status != 200:
-                return False
-            
-            result = await response.json()
-            return result.get('success', False)
+class TurnstileCaptcha(CaptchaBase):
+    """Cloudflare Turnstile 验证器"""
+
+    verify_url = "https://challenges.cloudflare.com/turnstile/v0/siteverify"