Copyright for r-cran-mime source package in Bionic

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: mime
Upstream-Contact: Yihui Xie 
Source: https://cran.r-project.org/package=mime

Files: *
Copyright: 2010-2016 Yihui Xie 
License: GPL-2

Files: debian/*
Copyright: 2015 Tilburg University https://tilburguniversity.edu/
Comment: author: Joost van Baal-Ilić
License: GPL-3

License: GPL-2
 On Debian systems, the full text of the GNU General Public License
 version 2 can be found in `/usr/share/common-licenses/GPL-2'.

License: GPL-3
 On Debian systems, the full text of the GNU General Public License
 version 3 can be found in `/usr/share/common-licenses/GPL-3'.