Any updates? I wanted to contibute but there was already a contribution to add this.
I already added this in my own nuxi inspired CLI and it works nicely.
Because multiple modules adding is not yet implemented, I had to add all the modules to add in an array,
and then calling pnpx nuxi module add <module> inside the loop.

It will be nice just joining the array as a string, and passing the string of modules to the command and adding them all in a same process.

👋💚 In the meantime, we can set a shell alias that executes a function with a loop and install each module in the array.

Powershell:

1. notepad $profile

function nuxmo {
    foreach ($module in $args) {
        pnpx nuxt@latest module add $module --package-manager pnpm --git-init false
    }
}

3. nuxmo module1 module2 module3 ... module100 😁👀🔥🎉