docs: add plugin setup guide

plugin/lib/commonlibf4/include/Scaleform/R/Render_ThreadCommandQueue.h

@@ -0,0 +1,18 @@
+#pragma once
+
+namespace Scaleform::Render
+{
+	class Interfaces;
+	class ThreadCommand;
+
+	class __declspec(novtable) ThreadCommandQueue
+	{
+	public:
+		virtual ~ThreadCommandQueue() = default;  // 00
+
+		// add
+		virtual void PushThreadCommand(ThreadCommand* a_command) = 0;  // 01
+		virtual void GetRenderInterfaces(Interfaces* a_ptr);           // 02
+	};
+	static_assert(sizeof(ThreadCommandQueue) == 0x8);
+}