Merge branch 'master' into greenkeeper/initial

README.md

@@ -3,6 +3,7 @@
 [![Build Status](https://travis-ci.com/anishkny/integrify.svg?branch=master)](https://travis-ci.com/anishkny/integrify)
 [![Coverage Status](https://coveralls.io/repos/github/anishkny/integrify/badge.svg?branch=master)](https://coveralls.io/github/anishkny/integrify?branch=master)
 [![Greenkeeper badge](https://badges.greenkeeper.io/anishkny/integrify.svg)](https://greenkeeper.io/)
+[![Known Vulnerabilities](https://snyk.io/test/github/anishkny/integrify/badge.svg?targetFile=package.json)](https://snyk.io/test/github/anishkny/integrify?targetFile=package.json)
 [![npm package](https://img.shields.io/npm/v/integrify.svg)](https://www.npmjs.com/package/integrify)
 
 🤝 Enforce referential and data integrity in [Cloud Firestore](https://firebase.google.com/docs/firestore/) using [triggers](https://firebase.google.com/docs/functions/firestore-events)