Add platform id to feedback template (#375)

Author: Allyyyyy

.github/ISSUE_TEMPLATE/3_customer-feedback.yml

@@ -63,4 +63,10 @@ body:
     validations:
       required: true
     attributes:
-      label: Document Id
+      label: Document Id
+  - type: input
+    id: platformId
+    validations:
+      required: true
+    attributes:
+      label: Platform Id