build badge

Author: bosborn

README.md

@@ -53,6 +53,8 @@ Pull from the [Maven Central Repository](http://search.maven.org/#artifactdetail
 
 ### Build ###
 
+[![Build & Test](https://github.com/ngageoint/ogc-api-features-json-java/workflows/Build%20&%20Test/badge.svg)](https://github.com/ngageoint/ogc-api-features-json-java/actions?query=workflow%3A%22Build+%26+Test%22)
+
 Build this repository using Eclipse and/or Maven:
 
     mvn clean install