docs: add plugin setup guide

plugin/lib/commonlibf4/include/RE/P/PlayerActiveEffectChanged.h

@@ -0,0 +1,24 @@
+#pragma once
+
+#include "RE/B/BSTSmartPointer.h"
+
+namespace RE
+{
+	namespace PlayerActiveEffectChanged
+	{
+		enum Status : std::int32_t
+		{
+			kAdded = 0x0,
+			kRemoved = 0x1,
+			kStatusChanged = 0x2
+		};
+
+		class Event
+		{
+		public:
+			// members
+			BSTSmartPointer<ActiveEffect, BSTSmartPointerIntrusiveRefCount> effect;  // 00
+			PlayerActiveEffectChanged::Status                               status;  // 08
+		};
+	}
+}