chore: Add docs badge.

abawchen · abawchen · commit f82dee0e8c01 · 2018-02-01T10:40:22.000+08:00
diff --git a/README.md b/README.md
@@ -1,4 +1,4 @@
-[![Build Status](https://travis-ci.org/abawchen/graphene-mongo.svg?branch=master)](https://travis-ci.org/abawchen/graphene-mongo) [![Coverage Status](https://coveralls.io/repos/github/abawchen/graphene-mongo/badge.svg?branch=master)](https://coveralls.io/github/abawchen/graphene-mongo?branch=master)
+[![Build Status](https://travis-ci.org/abawchen/graphene-mongo.svg?branch=master)](https://travis-ci.org/abawchen/graphene-mongo) [![Coverage Status](https://coveralls.io/repos/github/abawchen/graphene-mongo/badge.svg?branch=master)](https://coveralls.io/github/abawchen/graphene-mongo?branch=master) [![Documentation Status](https://readthedocs.org/projects/graphene-mongo/badge/?version=latest)](http://graphene-mongo.readthedocs.io/en/latest/?badge=latest)
 
 # Graphene-Mongo
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-[![Build Status](https://travis-ci.org/abawchen/graphene-mongo.svg?branch=master)](https://travis-ci.org/abawchen/graphene-mongo) [![Coverage Status](https://coveralls.io/repos/github/abawchen/graphene-mongo/badge.svg?branch=master)](https://coveralls.io/github/abawchen/graphene-mongo?branch=master)`
	`1`	`+[![Build Status](https://travis-ci.org/abawchen/graphene-mongo.svg?branch=master)](https://travis-ci.org/abawchen/graphene-mongo) [![Coverage Status](https://coveralls.io/repos/github/abawchen/graphene-mongo/badge.svg?branch=master)](https://coveralls.io/github/abawchen/graphene-mongo?branch=master) [![Documentation Status](https://readthedocs.org/projects/graphene-mongo/badge/?version=latest)](http://graphene-mongo.readthedocs.io/en/latest/?badge=latest)`
`2`	`2`
`3`	`3`	`# Graphene-Mongo`
`4`	`4`