def currencies(table_rows)
      table_rows.lazy.map do |e|
        e.css('img').map { |img| img.attribute('src').value }
      end.force.flatten
    end
def currencies(table_rows)
      table_rows.lazy.map do |e|
        e.css('img').map { |img| img.attribute('src').value }
      end.force.flatten
    end
Extract the currencies from the image components src attribute
 @return [Array<String>] containing the URL to image of the currency