public static void AddNotifications(this IServiceCollection services, IConfiguration configuration)
{
var providerString = configuration["NotificationProviders"];
var providers = providerString.Split(',');
if (providers.Contains(NotificationProvider.SmtpEmail))
{
services.AddSmtpEmailSender(configuration);
}
NotificationConfig.InitConfigFile().Wait();
services.AddTransient <NotificationConfig>();
services.AddTransient <INotificationProvider, NotificationProvider>();
}