GA4 - add_shipping_info - Duni

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    value: 265.93,
    coupon: "Summer Sale",
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      item_name: "Dunisoft® Napkin 40 x 40 cm Woven Kiwi, 360 pcs/box (6 x 60 pcs)",
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      item_id: "198817",
      item_name: "Dunicel® Tête-à-Tête 0,4 x 24 m Sun Orange, 4 pcs/box (4 x 1 pcs)",
      affiliation: "Online Store",
      coupon: "Summer Sale",
      discount: 3.33,
      item_brand: "Duni",
      item_category: "Table Coverings",
      item_category2: "Tablerunners Unicolour",
      item_category3: "Dunicel Tête à tête",
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