feat(README):add usage document

Author: zhelonglong

README.md

@@ -10,6 +10,10 @@ including a rich set of development components and application example code.
 
 ![img.png](img.png)
 
+Documentation
+
+Access the document at [document address](https://bytedance.larkoffice.com/docx/EnpxdRL18oxsrqxubHjcylTDnif) to obtain the documentation.
+
 ## Quick Start
 
 ``` python

README.zh_CN.md

@@ -8,6 +8,10 @@ HiAgent-SDK是火山引擎的HiAgent产品的SDK，开发者可使用该SDK，
 
 ![img.png](img.png)
 
+## 使用文档
+
+访问[文档地址](https://bytedance.larkoffice.com/docx/EnpxdRL18oxsrqxubHjcylTDnif) 获取文档说明
+
 ## 快速开始
 
 ```python