Added coverage badge

Author: weblogixx

README.md

@@ -1,6 +1,6 @@
 # generator-react-webpack
 
-[![Join the chat at https://gitter.im/newtriks/generator-react-webpack](https://badges.gitter.im/newtriks/generator-react-webpack.svg)](https://gitter.im/newtriks/generator-react-webpack?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) [![Build Status](https://secure.travis-ci.org/react-webpack-generators/generator-react-webpack.png?branch=master)](https://travis-ci.org/react-webpack-generators/generator-react-webpack) ![Amount of Downloads per month](https://img.shields.io/npm/dm/generator-react-webpack.svg "Amount of Downloads") ![Dependency Tracker](https://img.shields.io/david/react-webpack-generators/generator-react-webpack.svg "Dependency Tracker") ![Dependency Tracker](https://img.shields.io/david/dev/react-webpack-generators/generator-react-webpack.svg "Dependency Tracker") ![Node Version](https://img.shields.io/node/v/generator-react-webpack.svg "Node Version")
+[![Coverage Status](https://coveralls.io/repos/github/react-webpack-generators/generator-react-webpack/badge.svg?branch=master)](https://coveralls.io/github/react-webpack-generators/generator-react-webpack?branch=master) [![Join the chat at https://gitter.im/newtriks/generator-react-webpack](https://badges.gitter.im/newtriks/generator-react-webpack.svg)](https://gitter.im/newtriks/generator-react-webpack?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) [![Build Status](https://secure.travis-ci.org/react-webpack-generators/generator-react-webpack.png?branch=master)](https://travis-ci.org/react-webpack-generators/generator-react-webpack) ![Amount of Downloads per month](https://img.shields.io/npm/dm/generator-react-webpack.svg "Amount of Downloads") ![Dependency Tracker](https://img.shields.io/david/react-webpack-generators/generator-react-webpack.svg "Dependency Tracker") ![Dependency Tracker](https://img.shields.io/david/dev/react-webpack-generators/generator-react-webpack.svg "Dependency Tracker") ![Node Version](https://img.shields.io/node/v/generator-react-webpack.svg "Node Version")
 
 > Yeoman generator for [ReactJS](http://facebook.github.io/react/) - lets you quickly set up a project including karma test runner and [Webpack](http://webpack.github.io/) module system.