/// <summary>
 /// Add Modulight module services.
 /// </summary>
 /// <param name="services"></param>
 /// <param name="builder"></param>
 /// <param name="builderServices">Service collection for builder.</param>
 /// <returns></returns>
 public static IServiceCollection AddModules(this IServiceCollection services, IModuleHostBuilder builder, IServiceCollection?builderServices = null)
 {
     builder.Build(services, builderServices);
     return(services);
 }