docs: add plugin setup guide

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

@@ -0,0 +1,19 @@
+#pragma once
+
+namespace RE
+{
+	class NiBinaryStream;
+
+	class BSStreamParserData
+	{
+	public:
+		inline static constexpr auto RTTI{ RTTI::BSStreamParserData };
+		inline static constexpr auto VTABLE{ VTABLE::BSStreamParserData };
+
+		virtual ~BSStreamParserData() = default;  // 00
+
+		virtual bool            Begin() = 0;      // 01
+		virtual void            End() = 0;        // 02
+		virtual NiBinaryStream* GetStream() = 0;  // 03
+	};
+}