Add "Reading" case

Summary:Add "Reading" case
Closes https://github.com/facebook/react-native/pull/6078

Differential Revision: D2960611

fb-gh-sync-id: e8a236463f77061ba5c42c6871a7608abadb0c22
shipit-source-id: e8a236463f77061ba5c42c6871a7608abadb0c22

website/src/react-native/showcase.js

@@ -622,6 +622,15 @@ var apps = [
     linkAppStore: 'https://itunes.apple.com/cn/app/hong-bei-bang-hai-liang-hong/id1007812319?mt=8',
     author: 'Hongbeibang'
   },
+  {
+    name: 'Reading',
+    icon: 'http://7xr0xq.com1.z0.glb.clouddn.com/about_logo.png',
+    link: 'http://www.wandoujia.com/apps/com.reading',
+    author: 'RichardCao',
+    blogs: [
+      'http://richard-cao.github.io/2016/02/06/Reading-App-Write-In-React-Native/',
+    ],
+  },
 ];
 
 var AppList = React.createClass({