feat(test): add coverage badget.

leeyeh · leeyeh · commit fd290920121d · 2016-02-01T14:14:50.000+08:00
diff --git a/README.md b/README.md
@@ -1,4 +1,4 @@
-# LeanCloud JavaScript SDK [![Build Status](https://travis-ci.org/leancloud/javascript-sdk.svg)](https://travis-ci.org/leancloud/javascript-sdk)
+# LeanCloud JavaScript SDK [![Build Status](https://travis-ci.org/leancloud/javascript-sdk.svg)](https://travis-ci.org/leancloud/javascript-sdk) [![codecov.io](https://codecov.io/github/leancloud/javascript-sdk/coverage.svg?branch=master)](https://codecov.io/github/leancloud/javascript-sdk?branch=master)
 
 JavaScript SDK for [LeanCloud](http://leancloud.cn/).
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-# LeanCloud JavaScript SDK [![Build Status](https://travis-ci.org/leancloud/javascript-sdk.svg)](https://travis-ci.org/leancloud/javascript-sdk)`
	`1`	`+# LeanCloud JavaScript SDK [![Build Status](https://travis-ci.org/leancloud/javascript-sdk.svg)](https://travis-ci.org/leancloud/javascript-sdk) [![codecov.io](https://codecov.io/github/leancloud/javascript-sdk/coverage.svg?branch=master)](https://codecov.io/github/leancloud/javascript-sdk?branch=master)`
`2`	`2`
`3`	`3`	`JavaScript SDK for [LeanCloud](http://leancloud.cn/).`
`4`	`4`