public async Task <ActionResult> GetEmployeeList()
    {
        var list = await client.GetAsync(cts.Token).ConfigureAwait(false);

        return(PartialView("_EmployeeList", list));
    }
    public async Task <ActionResult> Index()
    {
        var list = await client.GetAsync(cts.Token).ConfigureAwait(false);

        return(View(list));
    }