List tags

curl --request GET \
  --url https://api.marblecms.com/v1/tags \
  --header 'Authorization: Bearer <token>'

{
  "tags": [
    {
      "id": "clx789ghi",
      "name": "JavaScript",
      "slug": "javascript",
      "description": "JavaScript tutorials",
      "count": {
        "posts": 8
      }
    }
  ],
  "pagination": {
    "limit": 10,
    "currentPage": 1,
    "nextPage": 2,
    "previousPage": null,
    "totalPages": 5,
    "totalItems": 42
  }
}