new shelf model

Scripts/build_manager.gd

@@ -3,7 +3,7 @@ extends Node
 @onready var DoubleBeds = preload("res://Scenes/Prefabs/DoubleBeds.tscn")
 @onready var Pot = preload("res://Scenes/Prefabs/Pot.tscn")
 @onready var Battery = preload("res://Scenes/Prefabs/Battery.tscn")
-
+@onready var Shelf = preload("res://Scenes/Prefabs/Shelf.tscn")
 signal build_object_selected
 
 
@@ -26,6 +26,8 @@ func get_preview_object():
 			selected_object = Pot
 		2:
 			selected_object = Battery
+		3:
+			selected_object = Shelf
 	return selected_object