/// <summary>
/// Adds the culture to the route.
/// </summary>
/// <returns>Redirects to the index page.</returns>
public IActionResult SetLocalization()
{
var userLanguage = HttpContext.Request.Headers["Accept-Language"].ToString().Split(',').First();
var cultureName = FWApp.GetCulture(userLanguage);
return(RedirectToAction("Index", new { culture = cultureName }));
}