Create PULL_REQUEST_TEMPLATE.md (#1)

Author: llamavert

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,24 @@
+## Summary
+<!-- Provide a brief description of what this PR does -->
+
+
+## Changes Made
+<!-- List the main changes in this pull request -->
+- 
+- 
+- 
+
+## Additional Information
+<!-- Any other relevant information, screenshots, or context -->
+
+
+## Author Information
+**Discord Username:** <!-- Your Discord username (if different from GitHub) -->
+**VATSIM CID:** <!-- Your VATSIM Controller ID -->
+
+---
+
+### Checklist:
+
+* [ ] Have you followed the guidelines in our Contributing document?
+* [ ] Have you checked to ensure there aren't other open Pull Requests for the same update/change?