private void RemoveEquipment(EquipmentItem item)
 {
     if (Inventory.ContainsKey(item.Category))
     {
         Inventory[item.Category].Remove(item);
     }
 }
 private void AddEquipment(EquipmentItem item)
 {
     if (Inventory.ContainsKey(item.Category))
     {
         Inventory[item.Category].Add(item);
     }
     else
     {
         Inventory.Add(item.Category, new List <EquipmentItem>()
         {
             item
         });
     }
 }