Add new attachment to taxons

taxon_header_image.rb

module Spree
  class TaxonHeaderImage < Asset
    include Rails.application.config.use_paperclip ? Configuration::Paperclip : Configuration::ActiveStorage
    include Rails.application.routes.url_helpers

    def styles
      self.class.styles.map do |_, size|
        width, height = size[/(\d+)x(\d+)/].split('x')

        {
          url: polymorphic_path(attachment.variant(resize: size), only_path: true),
          width: width,
          height: height
        }
      end
    end
  end
end