[doc] add shiny badges

nanmu42 · nanmu42 · commit c677ea8a67db · 2018-08-04T21:47:16.000+08:00
diff --git a/README.md b/README.md
@@ -1,2 +1,10 @@
 # etherscan-api
+
+[![Build Status](https://travis-ci.org/nanmu42/etherscan-api.svg?branch=master)](https://travis-ci.org/nanmu42/etherscan-api)
+[![codecov](https://codecov.io/gh/nanmu42/etherscan-api/branch/master/graph/badge.svg)](https://codecov.io/gh/nanmu42/etherscan-api)
+[![Go Report Card](https://goreportcard.com/badge/github.com/nanmu42/etherscan-api)](https://goreportcard.com/report/github.com/nanmu42/etherscan-api)
+[![GoDoc](https://godoc.org/github.com/nanmu42/etherscan-api?status.svg)](https://godoc.org/github.com/nanmu42/etherscan-api)
+
 Go bindings to the Etherscan.io API
+
+Under development now. :)
