docs: add plugin setup guide

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

@@ -0,0 +1,22 @@
+#pragma once
+
+#include "RE/B/BIPED_MODEL.h"
+#include "RE/B/BaseFormComponent.h"
+
+namespace RE
+{
+	class __declspec(novtable) BGSBipedObjectForm :
+		public BaseFormComponent  // 00
+	{
+	public:
+		static constexpr auto RTTI{ RTTI::BGSBipedObjectForm };
+		static constexpr auto VTABLE{ VTABLE::BGSBipedObjectForm };
+
+		// add
+		virtual bool FillsBipedSlot(std::int32_t a_bipedSlot) const;  // 06
+
+		// members
+		BIPED_MODEL bipedModelData;  // 08
+	};
+	static_assert(sizeof(BGSBipedObjectForm) == 0x10);
+}