public string BuildThemedPage(CookieCollection cookies, string pageName)
{
string theme = "dark";
if (cookies.ContainsKey("theme"))
{
theme = cookies["theme"].Value;
}
string themedPageName = pageName.Insert(pageName.IndexOf('.'), $"-{theme}");
string themedPage = File.ReadAllText($"../../content/{themedPageName}");
return(themedPage);
}
