[feature request] submit challenges through CLI

[FelixNgFender]

Not sure if this is the best place to ask this but I really like the concept of pulling a challenge through a CLI and submitting through it and would like that as additional subcommands to leetgpu-cli.

A reference UX from leetcode-cli

leetcode 0.4.0
May the Code be with You 👻

USAGE:
    leetcode [FLAGS] [SUBCOMMAND]

FLAGS:
    -d, --debug      debug mode
    -h, --help       Prints help information
    -V, --version    Prints version information

SUBCOMMANDS:
    data    Manage Cache [aliases: d]
    edit    Edit question by id [aliases: e]
    exec    Submit solution [aliases: x]
    list    List problems [aliases: l]
    pick    Pick a problem [aliases: p]
    stat    Show simple chart about submissions [aliases: s]
    test    Test question by id [aliases: t]
    help    Prints this message or the help of the given subcommand(s)

[kunal-mansukhani]

We will add this n the future