public static IServiceCollection UseXCommonAuthentication(this IServiceCollection services, IConfigurationRoot config)
        {
            if (Run == null)
            {
                Run = new AuthenticationRun(config);
            }

            Run.Configure(services);

            return(services);
        }
        public static IApplicationBuilder UseXCommonAuthentication(this IApplicationBuilder app, IConfigurationRoot config)
        {
            if (Run == null)
            {
                Run = new AuthenticationRun(config);
            }

            Run
            .Configure(app);

            return(app);
        }