new build gui select

Scripts/ui/panel_build_select.gd

@@ -0,0 +1,15 @@
+extends Panel
+
+
+func _ready() -> void:
+	self.visible = false
+	Global.enter_build_mode.connect(_on_enter_build_mode)
+	Global.exit_build_mode.connect(_on_exit_build_mode)
+
+
+func _on_enter_build_mode():
+	self.visible = true
+
+
+func _on_exit_build_mode():
+	self.visible = false