curl --location --request POST 'https://www.loadingcalendar.com/api/v1/loadings//documents' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
"category": "loading_plan",
"filename": "delivery-note.pdf",
"content_type": "application/octet-stream",
"base64": "string"
}'{
"id": 0,
"category": "loading_plan",
"filename": "delivery-note.pdf",
"content_type": "application/pdf",
"base64": "string"
}