ci(github): add missing issue template config

Author: ivangabriele

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,11 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Developer Bug Report
+    url: https://bounty.github.com/
+    about: File a bug report as a developer (issues related to the source code).
+  - name: Feature Request
+    url: https://github.com/ivangabriele/openai-autogen-dev-studio/discussions/categories/feature-request-proposals
+    about: Please submit feature requests and proposals there.
+  - name: Question
+    url: https://github.com/ivangabriele/openai-autogen-dev-studio/discussions/categories/questtions-answers
+    about: Please ask your questions there.