docs: 添加2025年12月10日赞赏记录 (#329)

- 新增赞赏：许掌柜，100 RMB，微信红包
- 更新累计收到赞赏：539.75 → 639.75
- 更新12月收到赞赏合计：109.87 → 209.87
- 同步更新 README.md 和 README_EN.md 徽章数值

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%20539.75-blue?style=flat-square)](./DONATIONS.md)
+[![Gratitude](https://img.shields.io/badge/Gratitude-CNY%20639.75-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.