// This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddAuthentication(OpenIdConnectDefaults.AuthenticationScheme)
                .AddMicrosoftIdentityWebApp(Configuration.GetSection("AzureAd"));

            services.AddAuthorization(options =>
            {
                // By default, all incoming requests will be authorized according to the default policy
                options.FallbackPolicy = options.DefaultPolicy;
            });
            services.AddRazorPages()
                .AddMvcOptions(options => { })
                .AddMicrosoftIdentityUI();
        }