node: Enable logging via systemd journal
The radicle-systemd crate is split into two modules, one for socket activation, and one for logging.
Both are behind feature flags.
radicle-node continues to depend on radicle-systemd.
Logging initialization code was removed from radicle, as it is a library crate.
The radicle-systemd crate is split into two modules, one for socket activation, and one for logging.
Both are behind feature flags.
radicle-node continues to depend on radicle-systemd.
Logging initialization code was removed from radicle, as it is a library crate.
Rebased