Add initial resource and presenter classes for game entities and effects

Code/Presenters/SceneEntity.cs

@@ -0,0 +1,10 @@
+using Godot;
+using Godot.Collections;
+
+namespace CryptonymThunder.Code.Presenters;
+
+[GlobalClass]
+public partial class SceneEntity : Node
+{
+    [Export] public Array<Resource> ComponentResources { get; set; } = [];
+}