Change wording in create_admin_user to be more descriptive

db/default/users.rb

@@ -62,7 +62,7 @@ def create_admin_user
       role = Spree::Role.find_or_create_by(name: 'admin')
       admin.spree_roles << role
       admin.save
-      say "Done!"
+      say "New admin user persisted!"
     else
       say "There was some problems with persisting new admin user:"
       admin.errors.full_messages.each do |error|