private static void MsSqlDemo()
        {
            var db = new ShipyardDbContext();

            db.Pilots.Add(new Pilot
            {
                Name = "Pesho",
                Position = "Grand-Admiral"
            });

            //db.Upgrades.Add(new Upgrade
            //{
            //    Name = "Engine-booster",
            //    Price = 1000.00M,
            //    UpgradesToId = 2
            //});

            db.SaveChanges();
            System.Console.WriteLine("Done");
        }