Current language widget for sketchybar

[0x4e3]

lua version of sketchybar config requires language widget like https://github.com/0x4e3/dotfiles/blob/main/config/sketchybar/items/keyboard.sh

[0x4e3]

already implemented here https://github.com/0x4e3/dotfiles-work/blob/main/config/sketchybar/items/widgets/language.lua
need to copy