Update README.md

Author: CrazyBoyM

README.md

@@ -1,5 +1,5 @@
 # Learn Claude Code -- A nano Claude Code-like agent, built from 0 to 1
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+fellow on X: [shareAI-Lab](https://x.com/baicai003)  
 [English](./README.md) | [中文](./README-zh.md) | [日本語](./README-ja.md)
 
 ```