add PR template

.github/pull_request_template.md

@@ -0,0 +1,40 @@
+## 🎯 Purpose
+
+*What problem does this PR solve or what feature does it add? Mention issues related to it*
+
+TO COMPLETE
+
+## ⚙️ Approach
+
+*Describe the core changes introduced by this PR.*
+
+TO COMPLETE
+
+## ✅ Todo (subtasks)
+
+TO COMPLETE
+
+[ ] Subtask 1
+[ ] Subtask 2
+[ ] Subtask 3
+
+## 🌱 Follow-ups
+
+*If there’s additional work to be done later, create and link an issue here.*
+
+TO COMPLETE
+
+## 🔗 Dependencies
+
+*Link PRs that must be merged before this one.*
+
+TO COMPLETE
+
+## 📋 PR Completion Checklist
+
+*Mark only completed items. A complete PR should have all boxes ticked.*
+
+[ ] Complete PR description
+[ ] Implement the core functionality
+[ ] Add/update tests
+[ ] Add/update documentation and inline comments