Update README.md

README.md

@@ -1,7 +1,8 @@
 # Predator
 ## Distributed performance testing platform for APIs.
-[![Known Vulnerabilities](https://snyk.io/test/github/zooz/predator/badge.svg)](https://snyk.io/test/github/zooz/predator) [![Join the chat at https://gitter.im/predator-pf/community](https://badges.gitter.im/predator-pf/community.svg)](https://gitter.im/predator-pf/community?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![Known Vulnerabilities](https://snyk.io/test/github/zooz/predator/badge.svg)](https://snyk.io/test/github/zooz/predator)
 [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/2786/badge)](https://bestpractices.coreinfrastructure.org/projects/2786)
+[![Join Slack](https://img.shields.io/badge/slack-join-green.svg)](https://join.slack.com/t/predator-dev/shared_invite/enQtNjgwMzE2NjM3MDcyLTg5YTIwMGQyNjZlMjQ4MDNjOTk5YTkwMWYwNzJkOWFmM2QwOGY0ODc3MDU3MWRkYTAwMjRhMjBhOTM1MzFmMjU)
 
 <h1 align="center">
 <img src="https://zooz.github.io/predator/images/predator-1764x640.png" data-canonical-src="https://zooz.github.io/predator/images/predator-1764x640.png"/>
@@ -93,6 +94,11 @@ We use [SemVer](http://semver.org/) for versioning. For a complete list of Docke
 * [Artillery](https://github.com/artilleryio/artillery) - Load test engine
 * [React](https://github.com/facebook/react) - Web framework
 
+## Contact
+
+For topics that are better discussed live, please join the
+[Predator Slack](https://join.slack.com/t/predator-dev/shared_invite/enQtNjgwMzE2NjM3MDcyLTg5YTIwMGQyNjZlMjQ4MDNjOTk5YTkwMWYwNzJkOWFmM2QwOGY0ODc3MDU3MWRkYTAwMjRhMjBhOTM1MzFmMjU) workspace.
+
 ## License
 
 This project is licensed under the Apache License 2.0 - see the [LICENSE.md](LICENSE.md) file for details