Merge remote-tracking branch 'origin/master'

Author: wfbn8821

README.md

@@ -28,6 +28,9 @@ You can know where a card is with the ```getCardOffset``` function in JavaScript
 
 Use arrows with props ```showArrows={true}```
 
+## Example demo
+![react-card-scroll](https://cloud.githubusercontent.com/assets/11945259/15610699/db52c656-2426-11e6-9228-dd622dadfb86.gif)
+
 ## Some (very) basic usage
 ```jsx
 <CardScroll ref="cardScroll">