webStore (Object)
  -> cart (Object)
    -> order (Object)
      -> order columns (status, type, ordered_at, ...)
      -> positions (Array)
        -> (position)
          -> position columns (original_price, price, discount, ...)
          -> item (je lahko
            ->


webStore : Reactive
  -> new_position : Object, če smo na strani izdelka | null, če nismo
    -> position columns (id, quantity, price, discount, original_price, pricelist_id, ...)
    -> item (je vedno tisti item, ki je naročen)
      -> item_images
    -> base_item (je lahko position.item.variant_parent ali position.item)
      -> item_no, name, status, description, variant_type_x_id, variant_type_x_value, ...
      -> calculated_price, calculated_price_net, calculated_discount, original_price, original_price_net, ... + _formatted
      -> item_images
      -> variants (array)
        -> (variant)
          -> item_no, name, status, description, variant_type_x_id, variant_type_x_value, ...
          -> calculated_price, calculated_price_net, calculated_discount, original_price, original_price_net, ... + _formatted
          -> item_images
      -> options
        -> type_x_source
        -> type_x_value
    -> selected_variant
      -> (ena izmed variants - by reference, torej ima isto strukturo)
  -> cart
    ->order (morda kdaj kasneje iz tega naredimo orders)
      - type, status, ordered_at, total, total_net, ...
      -> positions (array)
        -> (position)
          -> ista struktura kot pri new_position