Update 1_Bug_report.md

Author: driesvints

.github/ISSUE_TEMPLATE/1_Bug_report.md

@@ -15,3 +15,6 @@ about: "Report something that's broken. Please ensure your Laravel version is st
 
 
 ### Steps To Reproduce:
+
+<!-- If possible, please provide a GitHub repository to demonstrate your issue -->
+<!-- laravel new bug-report --github="--public" -->