List all users

curl --request GET \
  --url https://api.matia.io/v1/users \
  --header 'x-api-key: <api-key>'

{
  "code": "<string>",
  "message": "<string>",
  "data": {
    "items": [
      {
        "id": "<string>",
        "email": "<string>",
        "name": "<string>",
        "createdAt": "2023-11-07T05:31:56Z"
      }
    ]
  }
}