docs: add plugin setup guide

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

@@ -0,0 +1,18 @@
+#pragma once
+
+namespace RE
+{
+	namespace BSScript
+	{
+		class StatsEvent
+		{
+		public:
+			// members
+			std::uint32_t runningStacksCount;    // 00
+			std::uint32_t suspendedStacksCount;  // 04
+			std::uint32_t functionMsgCount;      // 08
+			std::uint32_t detachedObjectCount;   // 0C
+		};
+		static_assert(sizeof(StatsEvent) == 0x10);
+	}
+}