Add github pull request template

Author: dd-jy

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,12 @@
+## Description
+(Please describe what this PR do.)
+
+
+## Type of change
+Please insert 'x' one of the type of change.
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Documentation update
+- [ ] Refactoring, Maintenance
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+