curl --request GET \
  --url http://localhost:3000/projects/{projectId}/flags \
  --header 'Authorization: Bearer <token>'

{
  "statusCode": 123,
  "message": "OK",
  "data": {
    "data": [
      {
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "project_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "name": "<string>",
        "key": "<string>",
        "type": "boolean",
        "description": "<string>",
        "is_active": true,
        "client_side_enabled": true,
        "analytics_enabled": true,
        "metadata": {},
        "created_at": "2023-11-07T05:31:56Z",
        "updated_at": "2023-11-07T05:31:56Z",
        "archived_at": "2023-11-07T05:31:56Z",
        "deleted_at": "2023-11-07T05:31:56Z",
        "environments": []
      }
    ],
    "meta": {
      "total": 123,
      "page": 123,
      "pageCount": 123
    }
  }
}