public void SetPageSetting(string key, PageSetting pageSetting)
{
var pageSettings = _configRoot.GetSection("pages").GetChildren().FirstOrDefault(x => x.Key == key);
var title = pageSettings.GetChildren().FirstOrDefault(x => x.Key == "title");
var url = pageSettings.GetChildren().FirstOrDefault(x => x.Key == "url");
title.Value = pageSetting.Title;
url.Value = pageSetting.Url;
}