Add button interaction system with event publishing and requirements handling

GameCore/Events/ButtonPressedEvent.cs

@@ -0,0 +1,9 @@
+using GameCore.Events.Interfaces;
+
+namespace GameCore.Events;
+
+public readonly struct ButtonPressedEvent(string channelId, bool newState) : IEvent
+{
+    public readonly string ChannelId = channelId;
+    public readonly bool NewState = newState;
+}