feat: add pull request templates for bug fixes, features, and integrations

- Introduced a comprehensive pull request template structure to streamline contributions.
- Added specific templates for bug fixes, new features, and integrations to enhance clarity and consistency in PR submissions.
- Configured the pull request template settings for better user guidance during the contribution process.

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,43 @@
+## What type of PR is this?
+<!-- Check one -->
+- [ ] 🐛 Bug fix
+- [ ] ✨ Feature
+- [ ] 🔌 Integration
+- [ ] 📝 Docs
+- [ ] 🧹 Refactor
+- [ ] Other: 
+
+## Description
+<!-- What does this PR do? -->
+
+## Related Issues
+<!-- Link issues: Fixes #123 -->
+
+## How to Test This
+<!-- Quick steps to verify the changes work -->
+```bash
+# Example commands or steps
+```
+
+**Expected result:**
+<!-- What should happen? -->
+
+## Contributor Checklist
+- [ ] Created changeset: `npm run changeset`
+- [ ] Tests pass: `npm test`
+- [ ] Format check passes: `npm run format-check` (or `npm run format` to fix)
+- [ ] Addressed CodeRabbit comments (if any)
+- [ ] Linked related issues (if any)
+- [ ] Manually tested the changes
+
+## Changelog Entry
+<!-- One line describing the change for users -->
+<!-- Example: "Added Kiro IDE integration with automatic task status updates" -->
+
+---
+
+### For Maintainers
+- [ ] PR title follows conventional commits
+- [ ] Target branch correct
+- [ ] Labels added
+- [ ] Milestone assigned (if applicable)