opensteno_qmk/keyboards/handwired/frenchdev/keymaps/default
..
keymap.c
readme.md

layout :

default layout

the thing when finished : http://imgur.com/a/6FY8v

concept and mockup: http://imgur.com/a/R0vvs

to build :

docker run --rm -e keymap=default -e keyboard=frenchdev --rm -v D:/Repositories/qmk:/qmk:rw edasque/qmk_firmware