Auth

            services.AddAuthentication(options =>
            {
                options.DefaultScheme = "Cookies";
                options.DefaultChallengeScheme = "oidc";
            })
                   .AddCookie("Cookies")
                   .AddOpenIdConnect("oidc", options =>
                        {
                            options.Authority = "steam addess";
                            options.ClientId = "given by steam";

                            options.ResponseType = "code";
                            options.UsePkce = true;

                            options.SaveTokens = true;
                            options.GetClaimsFromUserInfoEndpoint = true;

                            options.Scope.Clear();
                            options.Scope.Add("openid");
                            options.Scope.Add("profile");
                        })