Merge pull request #2007 from swagger-api/add-badge

Add Jenkins Build Status Badge

Author: JonathanParrilla

README.md

@@ -4,6 +4,7 @@
 [![Code Climate](https://codeclimate.com/github/swagger-api/swagger-editor/badges/gpa.svg)](https://codeclimate.com/github/swagger-api/swagger-editor)
 [![Dependency Status](https://david-dm.org/swagger-api/swagger-editor/status.svg)](https://david-dm.org/swagger-api/swagger-editor)
 [![devDependency Status](https://david-dm.org/swagger-api/swagger-editor/dev-status.svg)](https://david-dm.org/swagger-api/swagger-editor-#info=devDependencies)
+[![Build Status](https://jenkins.swagger.io/view/OSS%20-%20JavaScript/job/oss-swagger-editor-master/badge/icon?subject=jenkins%20build)](https://jenkins.swagger.io/view/OSS%20-%20JavaScript/job/oss-swagger-editor-master/)
 
 **🕰️ Looking for the older version of Swagger Editor?** Refer to the [*2.x* branch](https://github.com/swagger-api/swagger-editor/tree/2.x).