Fix websites.yaml sample to include required code to set additional stores.

Author: frqnck

Samples/Components/websites.yaml

@@ -16,9 +16,10 @@ websites:
     store_groups:
       -
         name: Configurator's Website Store US
+        code: usa_en
         root_category_id: 2
         default_store: usa_en_us
         store_views:
           usa_en_us:
             name: Configurator's USA Store View
-            is_active: 1
+            is_active: 1