Update README.md

README.md

@@ -19,7 +19,8 @@ Community
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 Ask questions or discuss on <https://community.heaps.io>
-Chat on Gitter <https://gitter.im/heapsio/Lobby>
+
+Chat on Discord <https://discord.gg/sWCGm33> or Gitter <https://gitter.im/heapsio/Lobby>
 
 Samples
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