Get custom questions

curl --request GET \
  --url https://api.letsway.com/v1/brands/{brandId}/experiences/{experienceId}/custom-questions

{
  "items": [
    {
      "id": "qst-123",
      "prompt": "What is your favorite color?",
      "fieldType": "single_select",
      "config": {
        "maxLength": 100
      },
      "options": [
        {
          "key": "color",
          "value": "blue"
        }
      ],
      "termsAndConditions": {
        "label": "Terms of Service",
        "mediaId": "550e8400-e29b-41d4-a716-446655440000",
        "mediaURL": "https://example.com/media.pdf",
        "isOverrided": true
      }
    }
  ]
}