docs: add plugin setup guide

plugin/lib/commonlibf4/include/RE/B/BSScript_Internal_EventRelay.h

@@ -0,0 +1,35 @@
+#pragma once
+
+#include "RE/B/BSFixedString.h"
+#include "RE/B/BSIntrusiveRefCounted.h"
+#include "RE/B/BSTHashMap.h"
+#include "RE/B/BSTSmartPointer.h"
+
+namespace RE
+{
+	namespace BSScript
+	{
+		class Object;
+
+		namespace Internal
+		{
+			class EventRelay :
+				public BSIntrusiveRefCounted  // 00
+			{
+			public:
+				class TargetList :
+					public BSIntrusiveRefCounted  // 00
+				{
+				public:
+					// members
+					BSTSet<BSTSmartPointer<Object>> targets;  // 00
+				};
+				static_assert(sizeof(TargetList) == 0x38);
+
+				// members
+				BSTHashMap<BSFixedString, BSTSmartPointer<TargetList>> events;  // 00
+			};
+			static_assert(sizeof(EventRelay) == 0x38);
+		}
+	}
+}