Create Debian package

For later inclusion in Debian (briar-gtk#38), we should not ship our own Tor binary but use Debian's one (#15 (moved)).

Related issue for Briar Headless: briar#1739 (moved)

added Infrastructure label

changed the description

mentioned in issue briar-gtk#39 (closed)

mentioned in issue briar-gtk#38

mentioned in merge request briar-gtk!39 (merged)

mentioned in merge request !5 (merged)

assigned to @nicoalt

mentioned in issue briar#1739 (moved)

changed the description

closed via merge request !5 (merged)

mentioned in issue briar-debian#1

mentioned in issue briar-debian#3

marked this issue as related to briar-gtk#38