Package Quality shield and image added to readme

Author: derzunov

README.md

@@ -3,6 +3,9 @@
 [![Build Status](https://travis-ci.org/derzunov/redux-react-i18n.svg?branch=master)](https://travis-ci.org/derzunov/redux-react-i18n)
 [![npm](https://img.shields.io/npm/dt/redux-react-i18n.svg)](https://www.npmjs.com/package/redux-react-i18n)
 [![npm](https://img.shields.io/npm/v/redux-react-i18n.svg)](https://www.npmjs.com/package/redux-react-i18n)
+[![Package Quality](http://npm.packagequality.com/shield/redux-react-i18n.svg)](http://packagequality.com/#?package=redux-react-i18n)
+
+[![Package Quality](http://npm.packagequality.com/badge/redux-react-i18n.png)](http://packagequality.com/#?package=redux-react-i18n)
 
 An i18n solution with plural forms support for Redux/React