* docs: add Windows 11 setup guide for xiaohongshu-mcp
- Introduced a comprehensive guide for quickly setting up xiaohongshu-mcp on Windows 11.
- Included steps for downloading the latest build, resolving virus warnings, and starting the application.
- Added detailed instructions for managing Windows Security exclusions and launching the MCP service.
- Provided installation steps for the AI client (iflow cli) and usage examples.
* 更新 windows_guide.md
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Co-authored-by: juesheng.Lin <juesheng.lin@gientech.com>