docs: add issue templates

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,18 @@
+---
+name: Feature request
+about: Suggest an idea or improvement for Clawdbot.
+title: "[Feature]: "
+labels: enhancement
+---
+
+## Summary
+Describe the problem you are trying to solve or the opportunity you see.
+
+## Proposed solution
+What would you like Clawdbot to do?
+
+## Alternatives considered
+Any other approaches you have considered?
+
+## Additional context
+Links, screenshots, or related issues.