added

include/README.md

@@ -0,0 +1,2 @@
+The `/include` directory contains third party code that is distributed with HashLink in order to ease compilation (on Windows in particular).
+See respective license and copyright for each of these libraries.

include/vorbis/README

@@ -0,0 +1,13 @@
+********************************************************************
+*                                                                  *
+* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE.   *
+* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
+* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
+*                                                                  *
+* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015             *
+* by the Xiph.org Foundation, http://www.xiph.org/                 *
+*                                                                  *
+********************************************************************
+
+Includes libvorbis 1.3.5 + libogg 1.3.2