Thanks to tanshoku <https://github.com/tanshoku> for his suggested
systemd unit file.

Thanks to m040601 <https://github.com/m040601> for his detailed
feedback on the initial mpdpopm docs.

Thanks to Vincent Petithory <vincent.petithory@gmail.com> for
`mpdfav'. Thanks to Ali Polatel <alip@exherbo.org> for `mpdcron'.

And of course thanks to Max Kellermann <imprint@musicpd.org> and all
the MPD <https://www.musicpd.org/> contributors.
