List all available tasks

Usage: mk list [OPTIONS]

Options:
  -p, --plain           Show list that does not include headers
  -j, --json            Show list in JSON format
      --no-color        Disable colored list output
      --label <FILTER>  Filter tasks by label (KEY or KEY=VALUE). Repeatable; all must match.
  -h, --help            Print help
  -V, --version         Print version
