These are quite... simple, and cover little, but it's more than nothing!
While there, enable tests in the Nix package, so they're run in CI too.
Signed-off-by: Gergely Nagy <me@gergo.csillger.hu>
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>
