Update README.md

Author: rfeelin

README.md

@@ -2,6 +2,7 @@
 
 [![](https://developer.mastercard.com/_/_/src/global/assets/svg/mcdev-logo-dark.svg)](https://developer.mastercard.com/)
 
+[![](https://github.com/Mastercard/client-encryption-nodejs/workflows/Build%20&%20Test/badge.svg)](https://github.com/Mastercard/client-encryption-nodejs/actions?query=workflow%3A%22Build+%26+Test%22)
 [![](https://sonarcloud.io/api/project_badges/measure?project=Mastercard_client-encryption-nodejs&metric=alert_status)](https://sonarcloud.io/dashboard?id=Mastercard_client-encryption-nodejs)
 [![](https://sonarcloud.io/api/project_badges/measure?project=Mastercard_client-encryption-nodejs&metric=coverage)](https://sonarcloud.io/dashboard?id=Mastercard_client-encryption-nodejs)
 [![](https://sonarcloud.io/api/project_badges/measure?project=Mastercard_client-encryption-nodejs&metric=vulnerabilities)](https://sonarcloud.io/dashboard?id=Mastercard_client-encryption-nodejs)