Redefine ID types to be actual pointers

Redefined various ID types to be aliases of pointers instead of casting
a uintptr_t to the needed pointer.

e.g. SurfaceID = Surface*

engine/include/nova/render/render_fwd.h

@@ -0,0 +1,17 @@
+/**
+ * Copyright (c) 2025, Jayden Grubb <contact@jaydengrubb.com>
+ * 
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#pragma once
+
+namespace Nova {
+	enum class RenderAPI { DX12, VULKAN };
+
+	class RenderDriver;
+	struct RenderDevice;
+
+	struct Surface;
+	using SurfaceID = Surface*;
+} // namespace Nova