docs: add plugin setup guide

plugin/lib/commonlibf4/include/Scaleform/G/GFx_HeapId.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#include "Scaleform/S/StatBasicValues.h"
+
+namespace Scaleform::GFx
+{
+	enum HeapId : std::int32_t
+	{
+		kHeapId_Global = kHeapId_Default,
+		kHeapId_MovieDef,
+		kHeapId_MovieView,
+		kHeapId_MovieData,
+		kHeapId_Images,
+		kHeapId_OtherHeaps,
+		kHeapId_HUDHeaps,
+		kHeapId_Video,
+	};
+}