Transfer request

- getTransfers GET
- addTransfer POST
{
    "transfer_name": "Transfer to gobi",
    "transfer_status": "pending",
    "reference_number": "1234",
    "origin": "test_origin_id",
    "products": [
        {
            "product_id": "23423",
            "variant_id": "dsfsd",
            "sku": "GOYO-015",
            "number_tobe_transferred": 10,
            "number_transferred": 0
        }
    ],
    "comments": [
        {
            "type": "comment",
            "comment": "test",
            "user_name": "seegii",
            "created_at": "2021-01-18 17:24:37"
        },
        {
            "type": "log",
            "user_name": "seegii",
            "log": [
                {
                    "log_message": "log message",
                    "product_id": "6142928978095",
                    "variant_id": "6142928978095",
                    "accepted": "50",
                    "canceled": "2",
                    "rejected": "1"
                }
            ],
            "created_at": "2021-01-18 17:24:37"
        }
    ]
}