/api/admin/groups

{
  "groups": [
    {
      "id": "string",
      "name": "string",
      "libraryAccess": [
        {
          "libraryId": "string",
          "maxRating": "string"
        }
      ],
      "settings": {
        "property1": null,
        "property2": null
      },
      "memberCount": 0,
      "createdAt": "string",
      "updatedAt": "string"
    }
  ]
}