Resolve #3472788 "Allow sdds hero"

Closes #3472788

starshot_demo/components/03-organisms/starshot-hero/starshot-hero.component.yml

@@ -28,6 +28,20 @@ props:
     #- Drupal is a fully composable CMS that allows you to design a digital
     #experience around your vision.
 
+    design:
+      type: string
+      title: Design
+      description: 'Design: light, green, blue, lavender, blue-stripe.'
+      enum:
+        - light
+        - green
+        - blue
+        - lavender
+        - blue-stripe
+      default: blue-stripe
+      examples:
+        - blue-stripe
+
     image:
       $ref: json-schema-definitions://experience_builder.module/image
       type: object