docs: add plugin setup guide

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

@@ -0,0 +1,30 @@
+#pragma once
+
+#include "RE/B/BSTEvent.h"
+
+namespace RE
+{
+	class PerkPointIncreaseEvent
+	{
+	private:
+		using EventSource_t = BSTGlobalEvent::EventSource<PerkPointIncreaseEvent>;
+
+	public:
+		PerkPointIncreaseEvent(std::uint8_t a_perkCount) :
+			perkCount(a_perkCount)
+		{}
+
+		[[nodiscard]] static EventSource_t* GetEventSource()
+		{
+			static REL::Relocation<EventSource_t**> singleton{ ID::PerkPointIncreaseEvent::GetEventSource };
+			if (!*singleton) {
+				*singleton = new EventSource_t(&BSTGlobalEvent::GetSingleton()->eventSourceSDMKiller);
+			}
+			return *singleton;
+		}
+
+		// members
+		std::uint8_t perkCount{ 0 };  // 00
+	};
+	static_assert(sizeof(PerkPointIncreaseEvent) == 0x1);
+}