Move two VRML-files into IO/VMRL + add convenience header

Stream_support/include/CGAL/IO/VRML.h

@@ -0,0 +1,23 @@
+// Copyright (c) 2020  GeometryFactory Sarl (France).
+// All rights reserved.
+//
+// Licensees holding a valid commercial license may use this file in
+// accordance with the commercial license agreement provided with the software.
+//
+// This file is part of CGAL (www.cgal.org)
+//
+// $URL$
+// $Id$
+// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
+//
+// Author(s)     : Maxime Gimeno
+
+#ifndef CGAL_IO_VRML_H
+#define CGAL_IO_VRML_H
+
+#include <CGAL/IO/VRML/File_writer_VRML_2.h>
+#include <CGAL/IO/VRML/Inventor_ostream.h>
+#include <CGAL/IO/VRML/VRML_1_ostream.h>
+#include <CGAL/IO/VRML/VRML_2_ostream.h>
+
+#endif // CGAL_IO_VRML_H