Add document to a vendor

curl --request POST \
  --url https://api.vanta.com/v1/vendors/{vendorId}/documents \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form file='@example-file' \
  --form 'type=<string>' \
  --form 'title=<string>' \
  --form 'description=<string>'

{
  "id": "a2f7e1b9d0c3f4e5a6c7b8d8",
  "url": "https://example.com",
  "title": "PDF SOC2 Report",
  "fileName": "soc2.pdf",
  "type": "SOC2_REPORT",
  "mimeType": "application/pdf",
  "description": "The 2023 SOC2 file provided by the vendor",
  "uploadedBy": {
    "id": "66993da0cf4ba2ad40599ba7",
    "type": "USER"
  },
  "creationDate": "2024-02-01T00:00:00.000Z",
  "updatedDate": "2024-02-07T00:00:00.000Z",
  "deletionDate": null
}