test issue templates

Author: netomi

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,8 @@
+blank_issues_enabled: true
+contact_links:
+  - name: Claiming namespace ownership
+    url: https://github.com/EclipseFdn/open-vsx.org/issues/new/choose
+    about: Claiming ownership of a namespace on open-vsx.org.
+  - name: Remove extension request
+    url: https://github.com/EclipseFdn/open-vsx.org/issues/new/choose
+    about: Requesting to remove an extension hosted on open-vsx.org.