Yoann Moinet

The documentation isn't aligned with the builtin `help`. The [Builtin doc](https://mael.dev/clipanion/docs/api/builtins/#builtinshelpcommand) talks about a `--help` flag. But the [Help command doc](https://mael.dev/clipanion/docs/help#the-help-command) talks about a full fledged `help` command. Spoiler alert,...