chore: ratatui 0.30 maintenance + collaboration baseline (#1)

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,27 @@
+---
+name: Bug report
+about: Report a defect or regression
+title: "[bug] "
+labels: ["bug"]
+assignees: []
+---
+
+## Summary
+Clear and concise description of the bug.
+
+## Reproduction
+1. Step one
+2. Step two
+3. Observe failure
+
+## Expected Behavior
+What should happen instead.
+
+## Environment
+- OS:
+- Rust version:
+- tui-textarea version:
+- ratatui version:
+
+## Additional Context
+Logs, screenshots, and relevant snippets.