static void Main(string[] args)
{
var serviceCollection = new ServiceCollection();
serviceCollection.AddScoped <IPetShopRepository, PetShopRepository>();
serviceCollection.AddScoped <IPetShopService, PetShopService>();
var serviceProvider = serviceCollection.BuildServiceProvider();
var petService = serviceProvider.GetRequiredService <IPetShopService>();
FakeDB.DefaultData();
//new Program(petService);
Console.ReadLine();
}