post https://app.docsumo.com/api/v1/eevee/documents/upload/
Upload a document (PDF/image) into a specific folder for processing. You must provide the document type and the folder ID created earlier.
Form-Data Params:
file: (file input, binary) – the document to be uploaded
type: the document type (e.g.,"invoice"or"us_bank_statement")
folder_id: the ID of the folder where the file should be uploaded