`ALT + RIGHT_ARROW_KEY` doesn't work on mac

[timotheecour]

RIGHT_ARROW_KEY works but not ALT + RIGHT_ARROW_KEY which prints [C instead of move cursor right by one word

could shift SHIFT + RIGHT_ARROW_KEY be used maybe?

[jangko]

I think we should try to fix it first. Altering the key binding can come next if we cannot fix it