curl --request POST \
  --url https://api.aryn.cloud/v1/storage/docsets/{docset_id}/docs \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form 'file=<string>' \
  --form 'file_url=<string>' \
  --form 'options=<string>' \
  --form file.0='@example-file' \
  --form options.0='@example-file'

{
  "account_id": "<string>",
  "doc_id": "<string>",
  "docset_id": "<string>",
  "created_at": "<string>",
  "name": "<string>",
  "size": 123,
  "content_type": "<string>",
  "properties": {}
}