Add more shield badages (#150)

* Add more shield badages

* Add gitter room as a shield badge

README-zh.md

@@ -2,6 +2,10 @@
 
 [![Go Report Card](https://goreportcard.com/badge/jenkins-zh/jenkins-cli)](https://goreportcard.com/report/jenkins-zh/jenkins-cli)
 [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=jenkins-zh_jenkins-cli&metric=alert_status)](https://sonarcloud.io/dashboard?id=jenkins-zh_jenkins-cli)
+[![Travis](https://img.shields.io/travis/jenkins-zh/jenkins-cli.svg?logo=travis&label=build&logoColor=white)](https://travis-ci.org/jenkins-zh/jenkins-cli)
+[![Contributors](https://img.shields.io/github/contributors/jenkins-zh/jenkins-cli.svg)](https://github.com/jenkins-zh/jenkins-cli/graphs/contributors)
+[![GitHub release](https://img.shields.io/github/release/jenkins-zh/jenkins-cli.svg?label=release)](https://github.com/jenkins-zh/jenkins-cli/releases/latest)
+[![Gitter](https://badges.gitter.im/jenkinsci/jenkins-cli.svg)](https://gitter.im/jenkinsci/jenkins-cli?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
 
 Jenkins CLI 可以帮忙你轻松地管理 Jenkins。不管你是一名插件开发者、管理员或者只是一个普通的 Jenkins 用户，它都是为你而生的！
 

README.md

@@ -2,6 +2,10 @@
 
 [![Go Report Card](https://goreportcard.com/badge/jenkins-zh/jenkins-cli)](https://goreportcard.com/report/jenkins-zh/jenkins-cli)
 [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=jenkins-zh_jenkins-cli&metric=alert_status)](https://sonarcloud.io/dashboard?id=jenkins-zh_jenkins-cli)
+[![Travis](https://img.shields.io/travis/jenkins-zh/jenkins-cli.svg?logo=travis&label=build&logoColor=white)](https://travis-ci.org/jenkins-zh/jenkins-cli)
+[![Contributors](https://img.shields.io/github/contributors/jenkins-zh/jenkins-cli.svg)](https://github.com/jenkins-zh/jenkins-cli/graphs/contributors)
+[![GitHub release](https://img.shields.io/github/release/jenkins-zh/jenkins-cli.svg?label=release)](https://github.com/jenkins-zh/jenkins-cli/releases/latest)
+[![Gitter](https://badges.gitter.im/jenkinsci/jenkins-cli.svg)](https://gitter.im/jenkinsci/jenkins-cli?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
 
 Jenkins CLI allows you manage your Jenkins as an easy way. No matter you're a plugin
 developer, administrator or just a regular user, it borns for you!