public Blacksmith(string name, ShopOwner owner, float price, string description = "") : base(name, description)
 {
     Owner = owner;
     Price = price;
     Tag   = "Blacksmith";
 }
 public Shop(string name, ShopOwner owner, ShopItem[] shopItems, string description = "") : base(name, description)
 {
     Owner     = owner;
     ShopItems = shopItems;
     Tag       = "Shop";
 }