Update ISSUE_TEMPLATE.md

Author: chenglou

.github/ISSUE_TEMPLATE.md

@@ -1,6 +1,7 @@
-Issues are for bugs. If you have questions, ask them on a [community forum][comm]. Folks are friendly and happy to help!
+Issues are for bugs. If you have questions, ask them on a [community forum][forum] or [chat][chat]. Folks are friendly and happy to help!
 
-[comm]: https://discord.gg/reasonml 
+[forum]: https://reasonml.chat
+[chat]: https://discord.gg/reasonml
 
 For bug reports, in general, it is recommended to report potential bugs in **OCaml syntax**, this will help reduce the possible bug causes from Reason side.