added pr templates

Author: nayna-G

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,30 @@
+## Related Issue(s)
+
+Closes #ISSUE_NUMBER  
+
+## What kind of change does this PR introduce?
+
+- [ ] Bugfix
+- [ ] Feature
+- [ ] Documentation
+
+## Why this change?
+
+Briefly describe the motivation and what problem this solves
+
+## Demo / Preview
+
+- **Live Demo:** [Insert link here]  
+- **Screenshots / GIFs:**  
+  ![Before](url) → ![After](url)  
+
+## Checklist
+
+- [ ] Code follows project style guidelines  
+- [ ] Tests added / updated as needed  
+- [ ] Documentation updated accordingly (README, CONTRIBUTING, etc.)  
+- [ ] No sensitive data or credentials included  
+- [ ] Verified for performance or security impact (if applicable)  
+
+
+## Additional Info (optional)