Add initial base implementation for WebGPU rendering backend

Source/Engine/GraphicsDevice/WebGPU/GPUVertexLayoutWebGPU.h

@@ -0,0 +1,23 @@
+// Copyright (c) Wojciech Figat. All rights reserved.
+
+#pragma once
+
+#if GRAPHICS_API_WEBGPU
+
+#include "Engine/Graphics/Shaders/GPUVertexLayout.h"
+#include "GPUDeviceWebGPU.h"
+
+/// <summary>
+/// Vertex layout object for Web GPU backend.
+/// </summary>
+class GPUVertexLayoutWebGPU : public GPUResourceBase<GPUDeviceWebGPU, GPUVertexLayout>
+{
+public:
+	GPUVertexLayoutWebGPU(GPUDeviceWebGPU* device, const Elements& elements, bool explicitOffsets);
+
+public:
+    WGPUVertexBufferLayout Layout;
+    WGPUVertexAttribute Attributes[GPU_MAX_VS_ELEMENTS];
+};
+
+#endif