Switch from subreddit to GitHub discussions for support (#1993)

Author: nhooyr

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Question
+    url: https://github.com/cdr/code-server/discussions/new?category_id=22503114
+    about: Ask the community for help

.github/issue_template.md

@@ -30,9 +30,7 @@
 
 ## Questions?
 
-Please file all questions and support requests at https://www.reddit.com/r/codeserver/.
-
-The issue tracker is **only** for bugs and features.
+Please file all questions and support requests at https://github.com/cdr/code-server/discussions.
 
 ## How can I reuse my VS Code configuration?