add discord link to issue template

Author: brendan-kellam

.github/ISSUE_TEMPLATE/config.yml

@@ -1,4 +1,7 @@
 contact_links:
   - name: 🛟 Get Help
     url: https://github.com/sourcebot-dev/sourcebot/discussions/new?category=support
-    about: If you can't get something to work the way you expect, open a question in our discussion forums.
+    about: If you can't get something to work the way you expect, open a question in our discussion forums.
+  - name: 👾 Discord
+    url: https://discord.gg/f4Cbf3HT
+    about: Something else? Join the Discord!