docs: add plugin setup guide

plugin/lib/commonlibf4/include/RE/R/ResponseListWrapper.h

@@ -0,0 +1,14 @@
+#pragma once
+
+namespace RE
+{
+	class TESResponse;
+
+	class ResponseListWrapper
+	{
+	public:
+		// members
+		TESResponse* head;  // 0
+	};
+	static_assert(sizeof(ResponseListWrapper) == 0x8);
+}