Update enemy animations, make Loading screen a scene

Zennysoft.Game.Ma/src/menu/LoadingScreen.cs

@@ -0,0 +1,20 @@
+using Chickensoft.AutoInject;
+using Chickensoft.Introspection;
+using Godot;
+using Zennysoft.Game.Ma;
+
+[Meta(typeof(IAutoNode))]
+public partial class LoadingScreen : Control
+{
+  public override void _Notification(int what) => this.Notify(what);
+
+  public override void _Process(double delta)
+  {
+    if (Input.IsActionJustPressed(GameInputs.Next))
+    {
+    }
+    if (Input.IsActionJustPressed(GameInputs.Previous))
+    {
+    }
+  }
+}