Add debug menu, add ability to load next floor or spawn item

Zennysoft.Game.Ma/src/items/armor/Armor.cs

@@ -11,7 +11,12 @@ public partial class Armor : EquipableItem
 {
   public override void _Notification(int what) => this.Notify(what);
 
-  [Node] private Sprite3D Sprite { get; set; } = default!;
+  [Node] private Sprite3D _sprite { get; set; } = default!;
+
+  public override void _Ready()
+  {
+    _sprite.Texture = Stats.Texture;
+  }
 
   public override string ItemName => Stats.Name;
 
@@ -32,8 +37,8 @@ public partial class Armor : EquipableItem
 
   public override ItemTag ItemTag => Stats.ItemTag;
 
-  [Export]
   [Save("armor_stats")]
+  [Export]
   public ArmorStats Stats { get; set; } = new ArmorStats();
   public override Texture2D GetTexture() => Stats.Texture;
 }