README.md in alba-0.1.0 vs README.md in alba-0.2.0

- old
+ new

@@ -1,4 +1,8 @@
+[![Build Status](https://travis-ci.com/okuramasafumi/alba.svg?branch=master)](https://travis-ci.com/okuramasafumi/alba)
+[![Coverage Status](https://coveralls.io/repos/github/okuramasafumi/alba/badge.svg?branch=master)](https://coveralls.io/github/okuramasafumi/alba?branch=master)
+[![Maintainability](https://api.codeclimate.com/v1/badges/fdab4cc0de0b9addcfe8/maintainability)](https://codeclimate.com/github/okuramasafumi/alba/maintainability)
+
 # Alba
 
 `Alba` is a fast and flexible JSON serializer.
 
 ## Installation