List files

curl --request GET \
  --url https://vaeroapi.com/v1/files \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": "file-abc123",
      "object": "file",
      "bytes": 175,
      "created_at": 1613677385,
      "filename": "salesOverview.txt",
      "purpose": "fine-tune"
    }
  ],
  "object": "list"
}