added Badges

README.md

@@ -22,6 +22,19 @@ The library consists of the following components:
 
 The vis.js library was initially developed by [Almende B.V](http://almende.com).
 
+## Badges
+
+[![NPM](https://nodei.co/npm/vis.png?downloads=true&downloadRank=true)](https://nodei.co/npm/vis/)
+
+[![Dependency Status](https://david-dm.org/almende/vis/status.svg)](https://david-dm.org/almende/vis)
+[![devDependency Status](https://david-dm.org/almende/vis/dev-status.svg)](https://david-dm.org/almende/vis?type=dev)
+[![last version on CDNJS](https://img.shields.io/cdnjs/v/vis.svg)](https://cdnjs.com/libraries/vis)
+
+[![GitHub contributors](https://img.shields.io/github/contributors/almende/vis.svg)](https://github.com/almende/vis/graphs/contributors)
+[![GitHub stars](https://img.shields.io/github/stars/almende/vis.svg)](https://github.com/almende/vis/stargazers)
+[![GitHub issues](https://img.shields.io/github/issues/almende/vis.svg)](https://github.com/almende/vis/issues)
+[![Pending Pull-Requests](http://githubbadges.herokuapp.com/almende/vis/pulls.svg)](https://github.com/almende/vis/pulls)
+
 ## Install
 
 Install via npm: