docs: add issue templates

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,28 @@
+---
+name: Bug report
+about: Report a problem or unexpected behavior in Clawdbot.
+title: "[Bug]: "
+labels: bug
+---
+
+## Summary
+What went wrong?
+
+## Steps to reproduce
+1.
+2.
+3.
+
+## Expected behavior
+What did you expect to happen?
+
+## Actual behavior
+What actually happened?
+
+## Environment
+- Clawdbot version:
+- OS:
+- Install method (pnpm/npx/docker/etc):
+
+## Logs or screenshots
+Paste relevant logs or add screenshots (redact secrets).