add second guardian fields

app/models/concerns/second_guardian_photoable.rb

@@ -0,0 +1,9 @@
+module SecondGuardianPhotoable
+  extend ActiveSupport::Concern
+
+  included do
+    has_one_attached :guardian_2_photo
+
+    validates :guardian_2_photo, content_type: ["image/png", "image/jpeg"]
+  end
+end