docs: add plugin setup guide

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

@@ -0,0 +1,19 @@
+#pragma once
+
+#include "RE/B/BSTArray.h"
+
+namespace RE
+{
+	class BSLight;
+
+	class BSShaderPropertyLightData
+	{
+	public:
+		// members
+		std::uint32_t      lightListFence;    // 00
+		std::uint32_t      shadowAccumFlags;  // 04
+		std::uint32_t      lightListChanged;  // 08
+		BSTArray<BSLight*> lightList;         // 10
+	};
+	static_assert(sizeof(BSShaderPropertyLightData) == 0x28);
+}