Add bug report field to issue template (vercel#37766)

.github/ISSUE_TEMPLATE/1.bug_report.yml

@@ -41,6 +41,12 @@ body:
       description: A clear and concise description of what you expected to happen.
     validations:
       required: true
+  - type: input
+    attributes:
+      label: Link to reproduction
+      description: A link to a https://stackblitz.com/ or git repo with a minimal reproduction. Minimal reproductions should be created from a create-next-app starter and include only relevant changes to cause the issue if possible.
+    validations:
+      required: true
   - type: textarea
     attributes:
       label: To Reproduce