Add door interaction system with state management and event publishing

GameCore/Interaction/IsLookingAtInteractableComponent.cs

@@ -0,0 +1,9 @@
+using GameCore.ECS;
+using GameCore.ECS.Interfaces;
+
+namespace GameCore.Interaction;
+
+public class IsLookingAtInteractableComponent(Entity target) : IComponent
+{
+    public readonly Entity Target = target;
+}