chore: update PR template

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,6 +1,63 @@
-*Issue #, if available:*
+## Description
 
-*Description of changes:*
+### Why is this change being made?
 
+1.
+
+
+### What is changing?
+
+1.
+
+
+### Related Links
+- **Issue #, if available**:
+
+---
+
+## Testing
+
+### How was this tested?
+
+1.
+
+### When testing locally, provide testing artifact(s):
+
+1.
+
+---
+
+## Reviewee Checklist
+
+**Update the checklist after submitting the PR**
+
+- [ ] I have reviewed, tested and understand all changes
+  *If not, why:*
+- [ ] I have filled out the Description and Testing sections above
+  *If not, why:*
+- [ ] Build and Unit tests are passing
+  *If not, why:*
+- [ ] Unit test coverage check is passing
+  *If not, why:*
+- [ ] I have ensured no sensitive information is leaking (i.e., no logging of sensitive fields, or otherwise)
+  *If not, why:*
+- [ ] I have added explanatory comments for complex logic, new classes/methods and new tests
+  *If not, why:*
+- [ ] I have updated README/documentation (if needed)
+  *If not, why:*
+- [ ] I have clearly called out breaking changes (if any)
+  *If not, why:*
+
+---
+
+## Reviewer Checklist
+
+**All reviewers please ensure the following are true before reviewing:**
+
+- Reviewee checklist has been accurately filled out
+- Code changes align with stated purpose in description
+- Test coverage adequately validates the changes
+
+---
 
 By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.