Create a new user (superadmin)

Example response

{
  "data": {
    "_id": "65f1c2a4d8b9e0123456789a",
    "firstName": "Ada",
    "lastName": "Lovelace",
    "email": "ada@example.com",
    "role": [
      "admin"
    ],
    "teamId": "65f1c2a4d8b9e01234567890",
    "createdAt": "2026-04-01T10:00:00.000Z",
    "updatedAt": "2026-04-15T14:30:00.000Z"
  }
}