docs: add plugin setup guide

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

@@ -0,0 +1,13 @@
+#pragma once
+
+namespace Scaleform::Render
+{
+	template <class T>
+	class Point
+	{
+	public:
+		// members
+		T x;  // 00
+		T y;  // ??
+	};
+}