feat: disallowing blank reports (#204)

simply disallowing blank issue reports. Too much to and fro before
action can occur.

<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit

- **Chores**
- Updated GitHub issue template configuration to prevent creation of
blank issues
- Enforced structured issue reporting by requiring predefined templates

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Author: cmeesters

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1 @@
+blank_issues_enabled: false