Add issue template config with Discussions link

Author: Swevo

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+  - name: 💬 Ask a question or share an idea
+    url: https://github.com/Swevo/AutoWire/discussions
+    about: Use Discussions for questions, ideas, and general feedback.