docs: add plugin setup guide

plugin/lib/commonlibf4/include/Scaleform/E/Event.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include "Scaleform/A/AcquireInterface.h"
+#include "Scaleform/M/Mutex.h"
+#include "Scaleform/W/WaitCondition.h"
+#include "Scaleform/W/Waitable.h"
+
+namespace Scaleform
+{
+	class __declspec(novtable) Event :
+		public Waitable,         // 00
+		public AcquireInterface  // 18
+	{
+	public:
+		// members
+		volatile bool state;               // 20
+		volatile bool temporary;           // 21
+		mutable Mutex stateMutex;          // 28
+		WaitCondition stateWaitCondition;  // 50
+	};
+	static_assert(sizeof(Event) == 0x58);
+}