This adds plenty of documentation: describing what iocaine is, how it
does what it does, and how to deploy it in various scenarios.
Not complete yet, but reasonably detailed nevertheless.
Signed-off-by: Gergely Nagy <me@gergo.csillger.hu>
This is expected to run through a systemd system service, with the
config file explicitly specified. Using XDG for the default config makes
little sense in that case, and ends up causing issues with a strict
systemd service file.
Signed-off-by: Gergely Nagy <me@gergo.csillger.hu>
