docs: add GitHub Pull Request Template

Author: rohitkumarnaidu

.github/pull_request_template.md

@@ -0,0 +1,23 @@
+## Description
+<!-- Please include a summary of the change and which issue is fixed. -->
+<!-- Please also include relevant motivation and context. -->
+
+Fixes # (issue)
+
+## Type of change
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] This change requires a documentation update
+
+## Checklist:
+- [ ] My code follows the style guidelines of this project
+- [ ] I have performed a self-review of my own code
+- [ ] I have commented my code, particularly in hard-to-understand areas
+- [ ] I have made corresponding changes to the documentation
+- [ ] My changes generate no new warnings
+- [ ] I have added tests that prove my fix is effective or that my feature works
+- [ ] New and existing unit tests pass locally with my changes
+
+## ECSoC / ELUSOC 2026
+- [ ] This PR is submitted under ECSoC / ELUSOC 2026.