Add npm version badge to README

Follow-up to #12857

[skip sauce] [skip validator]

diff --git a/README.md b/README.md
index 5ed0f0ff54b43ef03668908cc11dd6ab6b7c9cc8..d0aeea25f85ac3326f6f49d4d317dd91bb812ad7 100644 (file)
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# [Bootstrap](http://getbootstrap.com) [![Bower version](https://badge.fury.io/bo/bootstrap.svg)](http://badge.fury.io/bo/bootstrap) [![Build Status](https://secure.travis-ci.org/twbs/bootstrap.svg?branch=master)](http://travis-ci.org/twbs/bootstrap) [![devDependency Status](https://david-dm.org/twbs/bootstrap/dev-status.svg?theme=.io)](https://david-dm.org/twbs/bootstrap#info=devDependencies)
+# [Bootstrap](http://getbootstrap.com) [![Bower version](https://badge.fury.io/bo/bootstrap.svg)](http://badge.fury.io/bo/bootstrap) [![NPM version](https://badge.fury.io/js/bootstrap.svg)](http://badge.fury.io/js/bootstrap) [![Build Status](https://secure.travis-ci.org/twbs/bootstrap.svg?branch=master)](http://travis-ci.org/twbs/bootstrap) [![devDependency Status](https://david-dm.org/twbs/bootstrap/dev-status.svg?theme=.io)](https://david-dm.org/twbs/bootstrap#info=devDependencies)
 [![Selenium Test Status](https://saucelabs.com/browser-matrix/bootstrap.svg)](https://saucelabs.com/u/bootstrap)
 
 Bootstrap is a sleek, intuitive, and powerful front-end framework for faster and easier web development, created by [Mark Otto](http://twitter.com/mdo) and [Jacob Thornton](http://twitter.com/fat), and maintained by the [core team](https://github.com/twbs?tab=members) with the massive support and involvement of the community.