Update README.md

Author: murali-reddy

README.md

@@ -4,6 +4,7 @@
 [![Gitter chat](http://badges.gitter.im/kube-router/Lobby.svg)](https://gitter.im/kube-router/Lobby)
 [![Docker Pulls kube-router](https://img.shields.io/docker/pulls/cloudnativelabs/kube-router.svg?label=docker+pulls)](https://hub.docker.com/r/cloudnativelabs/kube-router/)
 [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
+[![Go Report Card](https://goreportcard.com/badge/github.com/cloudnativelabs/kube-router)](https://goreportcard.com/report/github.com/cloudnativelabs/kube-router)
 
 Kube-router is a distributed load balancer, firewall and router designed for Kubernetes networking with aim to provide operational simplicity and high performance.