add cli option for setting language

[bitstarr]

I have a shell script to kickstart a grav project which at the end of the process offers me to add users. It would be great if there was a cli argument (and in the interactive process) to set the preferred language for the new user.

I'm thinking about something like -l, --language=de

[jgonyea]

@bitstarr, this was merged and should be available now.