Add Discord link to issues for community collaboration (#2074)

* Add Discord link to issue templates for community collaboration

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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

.github/ISSUE_TEMPLATE/config.yml

@@ -12,3 +12,6 @@ contact_links:
   - name: 🌟 Show and Tell
     url: https://github.com/roboflow/supervision/discussions/categories/show-and-tell
     about: Share your projects and creations built with Supervision
+  - name: 🗣️ Roboflow Discord
+    url: https://discord.com/invite/GbfgXGJ8Bk
+    about: Join our Discord to collaborate with other community members