Load $HOME/.Xmodmap in i3wm configuration

[Jesús Martínez]

In i3 configuration file, there is a section to load $HOME/.Xmodmap to remap CapsLock to Ctrl. But the name is incomplete.

# Set custom keymap (CapLocks -> Ctrl)
exec --no-startup-id xmodmap ~/.Xmodma    <--------

Check here: https://github.com/JesusMtnez/.dotfiles/blob/master/i3/config#L189

Thanks @Skardian