feat(PR): Add a PR template

Author: amilcarlucas

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,21 @@
+# Description
+
+Describe what this PR is trying to achieve. Please read our [Contributing Guide](../CONTRIBUTING.md) for detailed guidelines.
+
+## Checklist
+
+- [ ] Run pre-commit checks locally
+- [ ] Verified by a human programmer
+- [ ] All commits are signed off (use `git commit --signoff`)
+- [ ] Code follows our [coding standards](../CONTRIBUTING.md#code-quality--standards)
+- [ ] Documentation updated if needed
+- [ ] No breaking changes or properly documented
+
+## Testing
+
+Describe how you tested these changes:
+
+- [ ] Unit tests pass
+- [ ] Integration tests pass
+- [ ] Manual testing performed
+- [ ] Tested on flight controller hardware