try out an issue template

.github/ISSUE_TEMPLATE/new-issue.md

@@ -0,0 +1,12 @@
+---
+name: New issue
+about: This is the template for new issues.
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+<!--
+When reporting a bug or requesting a feature, make sure to describe both what esbuild is currently doing and what you want esbuild to do instead. Please use https://esbuild.github.io/try/ to demonstrate the behavior you are talking about if possible, and paste the URL here to share it.
+-->