Add GoDoc

Author: maxmousee

README.md

@@ -3,5 +3,9 @@
 [![Build Status](https://travis-ci.com/maxmousee/stringutils.svg?branch=master)](https://travis-ci.org/maxmousee/stringutils)
 [![Go Report](https://goreportcard.com/badge/github.com/maxmousee/stringutils)](https://goreportcard.com/report/github.com/maxmousee/stringutils)
 [![Coverage Status](https://coveralls.io/repos/github/maxmousee/stringutils/badge.svg?branch=master)](https://coveralls.io/github/maxmousee/stringutils?branch=master)
+[![GoDoc](https://godoc.org/github.com/maxmousee/stringutils?status.svg)](https://godoc.org/github.com/maxmousee/stringutils)
 
 StringUtils for Go! :) 
+
+StringUtils contains common utility functions available in other programming languages and frameworks
+to make it easier for you to manipulate strings, create a parser or a lexer in your project.