Add ammo consumption and item pickup systems

GameCore/Inventory/PickupComponent.cs

@@ -1,3 +1,4 @@
+using GameCore.Combat.Interfaces;
 using GameCore.ECS.Interfaces;
 
 namespace GameCore.Inventory;
@@ -7,4 +8,5 @@ public class PickupComponent : IComponent
     public string ItemId { get; set; }
     public int Quantity { get; set; } = 1;
     public bool IsInstantUse { get; set; } = false;
+    public List<IEffect> OnAcquireEffects { get; set; } = [];
 }