add bedge icon

README.md

@@ -1,4 +1,4 @@
-# use-scroll-behavior [![Build Status](https://travis-ci.org/blackbing/use-scroll-behavior.svg?branch=master)](https://travis-ci.org/blackbing/use-scroll-behavior)
+# use-scroll-behavior [![npm package][npm-badge]][npm] [![Travis][build-badge]][build] [![Coveralls][coveralls-badge]][coveralls]
 
 Scroll behaviors for use with [`history`](https://github.com/reactjs/history). Inspired by [`scroll-behavior`](https://github.com/taion/scroll-behavior) and simplify the behavior.
 
@@ -39,6 +39,13 @@ const history = scrollBehavior(browserHistory, {
 });
 ```
 ## TODO
-* add test
 * add x position?
 
+[npm-badge]: https://img.shields.io/npm/v/use-scroll-behavior.svg?style=flat-square
+[npm]: https://www.npmjs.com/package/use-scroll-behavior
+
+[build-badge]: https://img.shields.io/travis/blackbing/use-scroll-behavior/master.svg?style=flat-square
+[build]: https://travis-ci.org/blackbing/use-scroll-behavior
+
+[coveralls-badge]: https://img.shields.io/coveralls/blackbing/use-scroll-behavior/master.svg?style=flat-square
+[coveralls]: https://coveralls.io/github/blackbing/use-scroll-behavior?branch=master