Create Debian Package, built from source

First steps analogous to
https://salsa.debian.org/xmpp-team/sms4you/-/commit/6dcf2ccc13d4d2f962fafb96ba9a9ac54ce9fa18.
3 jobs for 14-debian in 1 minute and 47 seconds (queued for 6 minutes and 27 seconds)