==== Set keyboard layout on i3 ====

\\
Source: https://superuser.com/questions/1147320/how-to-change-keyboard-layout-in-i3

\\
Execute this commands
<code bash>
setxkbmap -layout us,de
setxkbmap -option 'grp:alt_shift_toggle'
</code>

Or put this on your i3 config file (~/.i3/config, ~/.config/i3/config...)
<code bash>
exec "setxkbmap -layout us,de"

# optionsl
exec "setxkbmap -option 'grp:alt_shift_toggle'"
</code>