sysutils/oddjob: Add new Port

oddjob is a D-Bus service (oddjobd) that runs a fixed set of privileged
jobs on behalf of unprivileged client applications. FreeIPA uses it for
oddjob-mkhomedir, which creates a user's home directory on first login.
The port disables the systemd, sysvinit, Python and SELinux features
that do not apply on FreeBSD and ships a native rc script.

WWW: https://codeberg.org/freeipa/oddjob

Sponsored by: Netzkommune GmbH

Required for: FreeIPA server port