feat: update readme (#477)

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Summary: (summary)

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## Checklist:

- [ ] I have performed a self-review of my own code | 我已自行检查了自己的代码
- [ ] I have commented my code in hard-to-understand areas |
我已在难以理解的地方对代码进行了注释
- [ ] I have added tests that prove my fix is effective or that my
feature works | 我已添加测试以证明我的修复有效或功能正常
- [ ] I have created related documentation issue/PR in
[MemOS-Docs](https://github.com/MemTensor/MemOS-Docs) (if applicable) |
我已在 [MemOS-Docs](https://github.com/MemTensor/MemOS-Docs) 中创建了相关的文档
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- [ ] I have linked the issue to this PR (if applicable) | 我已将 issue
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Author: fridayL

README.md

@@ -39,8 +39,18 @@
       <img src="https://img.shields.io/badge/License-Apache_2.0-green.svg?logo=apache" alt="License">
     </a>
   </p>
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