Get menu by handle or frontend ID

curl --request GET \
  --url https://admin.aeoliancms.com/api/v1/menus/{identifier} \
  --header 'Authorization: Bearer <token>'

{
  "menu": {
    "id": "<string>",
    "name": "<string>",
    "handle": "<string>",
    "frontendId": "<string>",
    "items": [
      {
        "id": "<string>",
        "title": "<string>",
        "linkType": "<string>",
        "linkValue": "<string>",
        "position": 123,
        "children": "<array>"
      }
    ]
  }
}