doc: update readme

Author: PanJiaChen

README.md

@@ -86,6 +86,7 @@ You need to install [node](http://nodejs.org/) and [git](https://git-scm.com/) l
 - Form example
 - Two-step login
 - SplitPane
+- Drag Dialog
 - Dropzone
 - Sticky
 - CountTo

README.zh-CN.md

@@ -52,7 +52,6 @@
  - [手摸手，带你封装一个 vue component](https://segmentfault.com/a/1190000009090836)
  - [手摸手，带你优雅的使用 icon](https://juejin.im/post/59bb864b5188257e7a427c09)
 
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  或者加入该群主 **[圈子](https://jianshiapp.com/circles/1209)** 楼主会经常分享一些技术相关的东西
 
@@ -99,6 +98,7 @@
 - Form example
 - 二步登录
 - SplitPane
+- 拖拽 Dialog
 - Dropzone
 - Sticky
 - CountTo