Moved usernames and passwords into local variables in dotter
to be able to commit the files nonetheless. Thus makes use
of dotter templating for beets and mopidy.
Empty example configuration can be found in local.toml in the
dotter directory.
Everything that is in the repo should be listed in the global.toml
file. The local.toml file then picks the stuff to actually
write. For systemwide packages, a systemwide.toml (local) file
is used instead.