Copyright for argparse-manpage source package in Lunar

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: argparse-manpage
Source: https://github.com/praiskup/argparse-manpage

Files: *
Copyright: 2017 Red Hat, Inc.
License: Apache-2.0

Files: debian/*
Copyright: 2018 Timo Aaltonen 
License: Apache-2.0

License: Apache-2.0
 On Debian systems, the full text of the Apache-2.0 license
 can be found in the file '/usr/share/common-licenses/Apache-2.0'