Enable issue automation. (#1894)

.github/ISSUE_TEMPLATE/customer-feedback.yml

@@ -56,3 +56,10 @@ body:
       required: true
     attributes:
       label: Article author
+  - type: textarea
+    id: metadata
+    validations:
+      required: false
+    attributes:
+      label: Metadata
+      description: Documentation metadata will be applied here for the PRMerger tool.