Add GoDoc button.

Author: aren55555

README.md

@@ -1,12 +1,10 @@
 # jsonapi
 
-[![Build Status](https://travis-ci.org/google/jsonapi.svg?branch=master)](https://travis-ci.org/google/jsonapi)
+[![Build Status](https://travis-ci.org/google/jsonapi.svg?branch=master)](https://travis-ci.org/google/jsonapi) [![GoDoc](https://godoc.org/github.com/google/jsonapi?status.svg)](http://godoc.org/github.com/google/jsonapi)
 
 A serializer/deserializer for json payloads that comply to the
 [JSON API - jsonapi.org](http://jsonapi.org) spec in go.
 
-Also visit, [Godoc](http://godoc.org/github.com/google/jsonapi).
-
 ## Installation
 
 ```