docs: add plugin setup guide

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

@@ -0,0 +1,14 @@
+#pragma once
+
+#include "RE/B/BSPrecomputedNavmeshInfoPathMap.h"
+
+namespace RE
+{
+	class PrecomputedNavmeshInfoPathMap :
+		public BSPrecomputedNavmeshInfoPathMap  // 00
+	{
+	public:
+		static constexpr auto RTTI{ RTTI::PrecomputedNavmeshInfoPathMap };
+	};
+	static_assert(sizeof(PrecomputedNavmeshInfoPathMap) == 0x48);
+}