Copyright for sortedcontainers source package in Oracular

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: sortedcontainers
Source: https://github.com/grantjenks/sorted_containers

Files: *
Copyright: Copyright 2014-2019 Grant Jenks 
License: Apache-2.0

Files: debian/*
Copyright: 2015-2018 Sandro Tosi 
License: Apache-2.0

License: Apache-2.0
 On Debian systems, the complete text of the Apache 2.0 can be found in
 "/usr/share/common-licenses/Apache-2.0".