add SimplifyReader by @SkillCollege

Author: Joker

categories/multi_media.md

@@ -107,6 +107,7 @@ App Name                   | Describe                  | Major Language
 ###S
 App Name                   | Describe                  | Major Language             | Download 
 :------------------------: | :------------------------ | :------------------------: | :------------------------: 
+[SimplifyReader](https://github.com/SkillCollege/SimplifyReader) | An Android client with Material Design, in chinese. | Java | [![Get it on Third-Party](http://i.imgur.com/ppYJYe5.png)](https://fir.im/simplifyreader)  
 [Sky31Radio](https://github.com/linroid/Sky31Radio) | 湘潭大学三翼校园"四季电台" Android客户端 http://linroid.com/2015/02/11/sky31radio/ | Java | [![Get it on Third-Party](http://i.imgur.com/ppYJYe5.png)](http://fir.im/sky31radio)  
 [spydroid-ipcamera](https://github.com/fyhertz/spydroid-ipcamera) | A powerful and funny android app. that streams the camera and microphone of your phone to your browser or to VLC | Java | [![Get it on Google Play](https://developer.android.com/images/brand/en_app_rgb_wo_45.png)](https://play.google.com/store/apps/details?id=net.majorkernelpanic.spydroid)  
 [StickerCamera](https://github.com/Skykai521/StickerCamera) | A camera with sticker feature | Java |