Added a pull request template

.github/pull_request_template.md

@@ -0,0 +1,22 @@
+# Description
+
+Please include a summary of the change and which issue is fixed.
+
+Fixes # (issue)
+
+## Type of change
+
+Please delete options that are not relevant.
+
+- [ ] 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)
+
+# Checklist:
+
+- [ ] New and adjusted code is formated using the `pre-commit` hooks
+- [ ] New and adjusted code includes type hinting now
+- [ ] I have commented my code, particularly in hard-to-understand areas
+- [ ] I have made corresponding changes to the documentation
+- [ ] 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