update readme

README-en.md

 # build for production and view the bundle analyzer report
 npm run build --report
 ```
-
+## Demo
+![demo](https://github.com/PanJiaChen/PanJiaChen.github.io/blob/master/images/demo.gif)

README.md

 > 这是一个 极简的vue admin 管理后台 它只包含了 Element UI & axios & iconfont & permission control & lint，这些搭建后台必要的东西。
 
 [线上地址](http://panjiachen.github.io/vueAdmin-template)
+[English Document](https://github.com/PanJiaChen/vueAdmin-template/blob/master/README-en.md)
  
  ## 相关项目
  [vue-element-admin](https://github.com/PanJiaChen/vue-element-admin)
 npm run build --report
 ```
 
+## Demo
+![demo](https://github.com/PanJiaChen/PanJiaChen.github.io/blob/master/images/demo.gif)