Copyright for harfbuzz source package in Yangtze V1.0

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0
Upstream-Name: HarfBuzz
Upstream-Contact: Behdad Esfahbod
Source: https://www.freedesktop.org/wiki/Software/HarfBuzz

Files: *
Copyright: 2010,2011,2013-2018  Google, Inc.
           2012,2013,2015  Mozilla Foundation
           2011  Codethink Limited
           2008,2010  Nokia Corporation and/or its subsidiary(-ies)
           2009  Keith Stribley
           2009  Martin Hosken and SIL International
           2007  Chris Wilson
           2006  Behdad Esfahbod
           2005  David Turner
           2004,2007,2008,2009,2010,2013  Red Hat, Inc.
           1998-2004  David Turner and Werner Lemberg
           2016 Igalia S.L
           2015-2018 Ebrahim Byagowi
License: MIT

Files: debian/*
Copyright: 2012-2015,2017-2019 أحمد المحمودي (Ahmed El-Mahmoudy) 
License: MIT

License: MIT
 Permission is hereby granted, without written agreement and without license or
 royalty fees, to use, copy, modify, and distribute this software and its
 documentation for any purpose, provided that the above copyright notice and
 the following two paragraphs appear in all copies of this software.
 .
 IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR DIRECT,
 INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE
 OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE COPYRIGHT HOLDER HAS BEEN
 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .
 THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT
 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS,
 AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT,
 UPDATES, ENHANCEMENTS, OR MODIFICATIONS.