docs: add plugin setup guide

plugin/lib/commonlibf4/include/RE/T/TextureUpdateDone.h

@@ -0,0 +1,14 @@
+#pragma once
+
+namespace RE
+{
+	class __declspec(novtable) TextureUpdateDone
+	{
+	public:
+		static constexpr auto RTTI{ RTTI::TextureUpdateDone };
+		static constexpr auto VTABLE{ VTABLE::TextureUpdateDone };
+
+		// add
+		virtual bool Update();  // 00
+	};
+}