add doc address

Author: huangshuwei

README-CN.md

@@ -12,6 +12,9 @@
 - 功能强大
 - 单元测试覆盖率大于 80%
 
+### API & Examples
+[Official documents](http://doc.huangsw.com/vue-easytable/app.html)
+
 ### Supports
 
 - [x] 国际化

README.md

@@ -16,6 +16,9 @@ Based on vue2.x flexible table components.
 - Powerful
 - Unit test coverage greater than 80%
 
+### API & Examples
+[官方文档](http://doc.huangsw.com/vue-easytable/app.html)
+
 ### Supports
 
 - [x] Internationalization