docs: add plugin setup guide

plugin/lib/commonlibf4/include/RE/C/CreatureSounds.h

@@ -0,0 +1,17 @@
+#pragma once
+
+#include "RE/B/BSTArray.h"
+
+namespace RE
+{
+	class CREATURE_SOUND;
+
+	class CreatureSounds
+	{
+	public:
+		// members
+		BSTArray<CREATURE_SOUND> consciousLoops;           // 00
+		bool                     stopLoopWhenUnconscious;  // 18
+	};
+	static_assert(sizeof(CreatureSounds) == 0x20);
+}