Update README.md

Author: gkorland

README.md

@@ -3,6 +3,7 @@
 [![PyPI version](https://badge.fury.io/py/redisgraph.svg)](https://badge.fury.io/py/redisgraph)
 [![GitHub issues](https://img.shields.io/github/release/RedisGraph/redisgraph-py.svg)](https://github.com/RedisGraph/redisgraph-py/releases/latest)
 [![Codecov](https://codecov.io/gh/RedisGraph/redisgraph-py/branch/master/graph/badge.svg)](https://codecov.io/gh/RedisGraph/redisgraph-py)
+[![Known Vulnerabilities](https://snyk.io/test/github/RedisGraph/redisgraph-py/badge.svg?targetFile=requirements.txt)](https://snyk.io/test/github/RedisGraph/redisgraph-py?targetFile=requirements.txt)
 
 [![Mailing List](https://img.shields.io/badge/Mailing%20List-RedisGraph-blue)](https://groups.google.com/forum/#!forum/redisgraph)
 [![Gitter](https://badges.gitter.im/RedisLabs/RedisGraph.svg)](https://gitter.im/RedisLabs/RedisGraph?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)