docs: add plugin setup guide

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

@@ -0,0 +1,16 @@
+#pragma once
+
+#include "Scaleform/G/GFx_StatGroup.h"
+
+namespace Scaleform::GFx
+{
+	enum StatFontCache
+	{
+		kStatFC_Default = kStatGroup_GFxFontCache,
+
+		kStatFC_Mem,
+		kStatFC_Batch_Mem,
+		kStatFC_GlyphCache_Mem,
+		kStatFC_Other_Mem
+	};
+}