docs(README): add badge

README.md

@@ -1,5 +1,11 @@
 # clj-ip2region
 
+[![Build Status](https://travis-ci.org/qzteam/clj-ip2region.svg?branch=master)](https://travis-ci.org/qzteam/clj-ip2region)
+[![Coverage Status](https://coveralls.io/repos/github/qzteam/clj-ip2region/badge.svg?branch=master)](https://coveralls.io/github/qzteam/clj-ip2region?branch=master)
+[![License](https://img.shields.io/github/license/qzteam/clj-ip2region.svg?maxAge=86400)](./LICENSE)
+[![Dependencies Status](https://versions.deps.co/qzteam/clj-ip2region/status.png)](https://versions.deps.co/qzteam/clj-ip2region)
+[![Clojars Project](https://img.shields.io/clojars/v/clj-ip2region.svg)](https://clojars.org/clj-ip2region)
+
 [ip2region](https://github.com/lionsoul2014/ip2region) 的 Clojure 封装。
 
 ## Usage