Merge pull request #12 from ncode/juliano/readme

update readme

Author: ncode

README.md

@@ -1,4 +1,8 @@
-## Ballot
+# Ballot
+
+[![Go](https://github.com/ncode/ballot/actions/workflows/go.yml/badge.svg)](https://github.com/ncode/ballot/actions/workflows/go.yml)
+[![Go Report Card](https://goreportcard.com/badge/github.com/ncode/ballot)](https://goreportcard.com/report/github.com/ncode/ballot)
+[![License](https://img.shields.io/badge/License-Apache_2.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
 
 Consul based leader election with tagging support and hooks