change readme

Author: Quan Weiwei

README.md

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 This bundle integration tui.editor for your symfony project. The code for this bundle was modified from [FOSCKEditorBundle](https://github.com/FriendsOfSymfony/FOSCKEditorBundle).
 Thanks FOSCKEditorBundle author:[Eric Geleon](https://github.com/egeloen) and [FriendsOfSymfony Community](https://github.com/FriendsOfSymfony/FOSCKEditorBundle/graphs/contributors) , your code is cool. Thanks MIT License.
 
+![tui.editor](https://user-images.githubusercontent.com/1215767/34356204-4c03be8a-ea7f-11e7-9aa9-0d84f9e912ec.gif)
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 Installation
 ============
 

README_zh.md

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 这个包集成Markdown编辑器tui.editor到您的symfony项目。 这个包的源代码是从[FOSCKEditorBundle](https://github.com/FriendsOfSymfony/FOSCKEditorBundle)修改而来.
 感谢 FOSCKEditorBundle 的作者:[Eric Geleon](https://github.com/egeloen) 和 [FriendsOfSymfony Community](https://github.com/FriendsOfSymfony/FOSCKEditorBundle/graphs/contributors) , 你们的代码很酷. 感谢 MIT 开源协议.
 
+![tui.editor](https://user-images.githubusercontent.com/1215767/34356204-4c03be8a-ea7f-11e7-9aa9-0d84f9e912ec.gif)
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 安装
 ============