[doc] add examples folder link to readme

Author: zhuzilin

README.md

@@ -38,6 +38,8 @@
 For a comprehensive quick start guide covering environment setup, data preparation, training startup, and key code analysis, please refer to:
 - [Quick Start Guide](./docs/en/quick_start.md)
 
+We also provides examples for some usecases not covered in the quick start guide, please check [examples](examples/).
+
 ## Arguments Walk Through
 
 Arguments in slime are divided into three categories:

README_zh.md

@@ -33,6 +33,8 @@
 
 - [快速开始指南](./docs/zh/quick_start.md)
 
+我还还额外提供了一些使用样例，请参考样例目录：[examples](examples/)。
+
 ## 参数说明
 
 参数分为三类：