add a gif on readme file code example
Example 1: how to add gif in github readme
![](http://i.imgur.com/OUkLi.gif)
![](http://i.imgur.com/Ssfp7.gif)
![](http://i.imgur.com/60bts.gif)
Example 2: how to add a gif to a readme
![](name-of-giphy.gif)