Add SceneReference to C++ scripting API

Source/Engine/Content/SceneReference.h

@@ -0,0 +1,18 @@
+// Copyright (c) 2012-2022 Wojciech Figat. All rights reserved.
+
+#pragma once
+
+#include "Engine/Core/Types/Guid.h"
+
+/// <summary>
+/// Represents the reference to the scene asset. Stores the unique ID of the scene to reference. Can be used to load the selected scene.
+/// </summary>
+API_STRUCT(NoDefault) struct FLAXENGINE_API SceneReference
+{
+    DECLARE_SCRIPTING_TYPE_STRUCTURE(SceneReference);
+
+    /// <summary>
+    /// The identifier of the scene asset (and the scene object).
+    /// </summary>
+    API_FIELD() Guid ID;
+};