Update README.md

Author: collabnix

README.md

@@ -20,9 +20,10 @@
 - [Play with Docker Platform](https://labs.play-with-docker.com/) 
 
 
-# 📝 Join our Slack Community
+# 📝 Join our Community
 
 - Join 7000+ DevOps Engineers today via [Community Slack](https://launchpass.com/collabnix)
+- Join our [Discord Server](https://discord.gg/QEkCXAXYSe)
 - Fork, Contribute & Share via [DockerLabs GITHUB Repository](https://github.com/collabnix/dockerlabs)
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