Get aggregated statistics

curl --request GET \
  --url http://127.0.0.1:3000/api/table/{tableId}/aggregation \
  --header 'Authorization: Bearer <token>'

[
  {
    "aggregations": [
      {
        "fieldId": "<string>",
        "total": {
          "value": "<string>",
          "aggFunc": "count"
        },
        "group": {}
      }
    ]
  }
]