List settings

curl --request GET \
  --url https://api.fluxend.app/admin/settings \
  --header 'Authorization: <authorization>'

{
  "content": [
    {
      "createdAt": "<string>",
      "defaultValue": "<string>",
      "id": 123,
      "name": "<string>",
      "updatedAt": "<string>",
      "value": "<string>"
    }
  ],
  "errors": [
    "<string>"
  ],
  "metadata": "<any>",
  "success": true
}