Goophy makes adding gifs to your Google docs super easy:
+ Pick up to 3 search terms
+ Search (powered by Tenor) 
+ Click in the doc where you want your gif
+ Click a gif to add it!

To learn more about Goophy visit: http://code.goophy.co

Goophy's search is powered by the Tenor Gif API ( https://www.tenor.co/ )