added pull request template

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,29 @@
+## Proposed change
+<!--
+  Describe the big picture of your changes here. If it fixes a bug
+  or resolves a feature request, be sure to link to that issue.
+-->
+
+
+## Type of change
+<!--
+  What type of change does your PR introduces?
+-->
+- [ ] Bugfix
+- [ ] New feature
+- [ ] Code quality improvements to existing code or addition of tests
+
+## Additional information
+<!--
+  Add any other context about your PR here.
+-->
+
+## Checklist
+<!--
+  Put an `x` in the boxes that apply. You can also fill these out after
+  creating the PR. If you're unsure about any of them, don't hesitate to ask.
+-->
+- [ ] The code change is tested and works locally.
+- [ ] The code has been formatted using Black.
+- [ ] Tests have been added to verify that the new code works.
+- [ ] Documentation added/updated if required.