public void AddOwner()
{
Console.WriteLine("Podaj imię :");
string name = Console.ReadLine();
Console.WriteLine("Podaj nazwisko :");
string surname = Console.ReadLine();
Console.WriteLine("Podaj numer telefonu :");
string phoneNumber = Console.ReadLine();
name.Trim();
surname.Trim();
phoneNumber.Trim();
var ownerController = new OwnerController();
ownerController.Add(name, surname, phoneNumber);
}