Create warehouse transfer

Example request

{
  "transfer": {
    "from_warehouse_id": "c52e67ad-d9d0-4276-abe4-e0c9f1f7d2da",
    "to_warehouse_ids": [
      "229102e4-39c3-4523-bd57-4ed0a45a85ba"
    ],
    "shipping_fee": 20000,
    "items": [
      {
        "quantity": 1,
        "variation_id": "20e7d183-c70c-445e-8ce2-4d7e3a378e34"
      }
    ],
    "note": "đây là ghi chú",
    "images": [
      "https://content.pancake.vn/user-content-dev2.pancake.vn/2022/5/27/ee3be79d1574735ed35539ca48f7f6e9d7137706.jpg"
    ],
    "inserted_at": "2025-03-11T09:24:42"
  }
}