curl --location --request POST 'https://api-test.spotgo.eu/api/v1/orders//documents' \
--form 'file=@""' \
--form 'documentType="ORDER, INVOICE"'{
"id": "doc_9a8b7c6d",
"orderId": "1231312asdds131dsada",
"documentType": "INVOICE",
"fileName": "invoice.pdf",
"mimeType": "application/pdf"
}