Add issue config.

Disable blank issues, as some users are still ignoring the templates.
Direct people to discussions earlier in the reporting process.

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Community Support
+    url: https://github.com/make-all/tuya-local/discussions
+    about: Questions and requests for help should be made here