Get a tag

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

{
  "tag": {
    "id": "clx789ghi",
    "name": "JavaScript",
    "slug": "javascript",
    "description": "JavaScript tutorials",
    "count": {
      "posts": 8
    }
  }
}