docs: 添加2025年12月8日赞赏记录 (#325)

- 新增：来自于微信群的小爷 +29.99，无名大侠 +9.99
- 修正描述：微信一群的小爷 → 来自于微信群的小爷
- 累计收到赞赏更新为 ￥539.75

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-authored-by: Claude Sonnet 4.5 <noreply@anthropic.com>

README_EN.md

@@ -5,7 +5,7 @@
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 [![Philanthropy](https://img.shields.io/badge/Philanthropy-CNY%20600.00-brightgreen?style=flat-square)](./DONATIONS.md)
-[![Gratitude](https://img.shields.io/badge/Gratitude-CNY%20499.77-blue?style=flat-square)](./DONATIONS.md)
+[![Gratitude](https://img.shields.io/badge/Gratitude-CNY%20539.75-blue?style=flat-square)](./DONATIONS.md)
 [![Docker Pulls](https://img.shields.io/docker/pulls/xpzouying/xiaohongshu-mcp?style=flat-square&logo=docker)](https://hub.docker.com/r/xpzouying/xiaohongshu-mcp)
 
 MCP for RedNote (Xiaohongshu) platform.