Feature Request - Option to Show Only Locked Achievements

[merlinstardust]

I would like to have the option to only list locked achievements. If I'm using this plugin, it's most often to unlock achievements, so I rarely need to see the unlocked ones, which take up a lot of the screen when running alist.

This could either be a new command like alocked [game_id] or an option for alist, like alist locked [game_id]

[Rudokhvist]

This is a valid suggestion, and can be useful indeed. But right now I don't have much time for pet projects, so for now it will stay in a wishlist. PRs are welcome.