Add readme badges

readme.md

@@ -1,5 +1,9 @@
 # Safe Link Validator
 
+[![Build
+Status](https://travis-ci.org/Jaspaul/safe-link-validator.svg?branch=master)](https://travis-ci.org/Jaspaul/safe-link-validator) [![Coverage
+Status](https://coveralls.io/repos/github/Jaspaul/safe-link-validator/badge.svg?branch=master)](https://coveralls.io/github/Jaspaul/safe-link-validator?branch=master) [![Code Climate](https://codeclimate.com/github/Jaspaul/safe-link-validator/badges/gpa.svg)](https://codeclimate.com/github/Jaspaul/safe-link-validator)
+
 ## Install
 
 Via Composer