Copyright for python-progressbar source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: python-progressbar
Source: https://github.com/niltonvolpato/python-progressbar

Files: *
Copyright: Copyright (C) 2005 Nilton Volpato 
License: LGPL-2.1

License: LGPL-2.1
 On a Debian system the complete text of the GNU Lesser General Public License
 v2.1 can be found in the file `/usr/share/common-licenses/LGPL-2.1'.

Files: debian/*
Copyright: Copyright (C) 2008-2019, Sandro Tosi 
License: LGPL-2.1