Upload a file

curl --request POST \
  --url https://convertly.sh/api/files \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form file='@example-file'

{
  "file": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "filename": "<string>",
    "mime_type": "<string>",
    "size_bytes": 123,
    "created_at": "2023-11-07T05:31:56Z",
    "folder_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "downloadUrl": "<string>"
  }
}