chore: add PR template

Author: Mubashwer

.github/pull_request_template.md

@@ -0,0 +1,28 @@
+## Description
+
+Please include a summary of the change and which issue is fixed. Also include relevant motivation and context.
+
+Fixes # (issue)
+
+## Type of change
+
+Please delete options that are not relevant.
+
+- [ ] Bug fix
+- [ ] New feature
+- [ ] Breaking change
+- [ ] Documentation update
+
+## How Has This Been Tested?
+
+Please describe the tests that you ran to verify your changes.
+
+## Checklist
+
+- [ ] My code is formatted with `rustfmt`
+- [ ] I have performed a self-review of my 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 and integration tests pass locally with my changes