curl --request GET \
  --url https://sandbox.api.fantasyfutbol.app/v1/fantasy-league/{id}/gameweeks \
  --header 'x-api-key: <api-key>'

{
  "statusCode": 123,
  "message": "<string>",
  "data": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "week": "<string>",
      "start_date": "2023-11-07T05:31:56Z",
      "end_date": "2023-11-07T05:31:56Z"
    }
  ]
}