add codeclimate badge

README.md

@@ -2,6 +2,7 @@
 
 [![Build Status](https://travis-ci.org/eljoujat/eclipseimpexeditor.svg?branch=master)](https://travis-ci.org/eljoujat/eclipseimpexeditor)
 [![Join the chat at https://gitter.im/eljoujat/eclipseimpexeditor](https://badges.gitter.im/eljoujat/eclipseimpexeditor.svg)](https://gitter.im/eljoujat/eclipseimpexeditor?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![Code Climate](https://codeclimate.com/github/eljoujat/eclipseimpexeditor/badges/gpa.svg)](https://codeclimate.com/github/eljoujat/eclipseimpexeditor)
 <br/>
 <a href="http://marketplace.eclipse.org/marketplace-client-intro?mpc_install=2331084" class="drag" title="Drag to your running Eclipse workspace to install Hybris Impex Editor"><img src="http://marketplace.eclipse.org/sites/all/themes/solstice/_themes/solstice_marketplace/public/images/btn-install.png" alt="Drag to your running Eclipse workspace to install Hybris Impex Editor" style="position:relative;top:6px" /></a>