voli-0.3.0 is not a library.
voli CLI (spec ยง9). Phase 1 step 1: every v1 subcommand exists as a stub that prints "not implemented yet" and exits with code 2.
voli CLI (spec ยง9). Phase 1 step 1: every v1 subcommand exists as a stub that prints "not implemented yet" and exits with code 2.