Add pull request template

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,22 @@
+[NOTE]: # ( Describe your changes in detail, why is this change required? )
+[NOTE]: # ( Explain large or complex code modifications. )
+[NOTE]: # ( If it fixes an open issue, please add "Fixes #XXX". )
+
+
+## Screenshots or videos
+[NOTE]: # ( Use if available. )
+[NOTE]: # ( Do not include screenshots of your actual database credentials! )
+
+
+## Testing strategy
+[NOTE]: # ( Please describe in detail how you tested your changes. )
+[TIP]:  # ( Also describe how to test the changes manually. )
+
+
+## Type of change
+[NOTE]: # ( Please remove all lines which don't apply. )
+- ✅ Bug fix (non-breaking change that fixes an issue)
+- ✅ New feature (change that adds functionality)
+- ✅ Breaking change (causes existing functionality to change)
+- ✅ Refactor (significant modification to existing code)
+- ✅ Documentation (non-code change)