chore: add PR template

Author: dustin-jw

.github/pull-request-template.md

@@ -0,0 +1,18 @@
+## Description
+
+<!-- Add a description of work done here -->
+
+<!-- If using GitHub issues, set the issue number to close it on merge -->
+Closes #ISSUE_NUMBER
+
+<!-- If using external project management, link to the issue/specification -->
+<!-- [Issue](https://example.com/ISSUE_NUMBER) -->
+
+## To Validate
+
+<!-- Add steps a reviewer should follow to validate your changes -->
+
+1. Make sure all PR Checks have passed
+2. Pull down this branch
+3. Run `npm start`
+<!-- Add additional validation steps here -->