feat: pull request template (#525)

.github/pull_request_template.md

@@ -0,0 +1,8 @@
+## Description
+_Provide a detailed description of the purpose of the changes included in this pull request. Optionally, include background information, relevant screenshots, and any other context that helps explain the work._
+
+## Related Issues
+_If applicable, specify the main parts of the application that will be impacted by this pull request._
+
+## Steps to reproduce or test
+_Describe the steps that you did to reproduce this._