doc

Signed-off-by: Ladislas <ladislas@weareleka.com>
machine learning

Signed-off-by: Ladislas <ladislas@weareleka.com>
add delay when being in learning state

Signed-off-by: tinyladi <ladislas@weareleka.com>
add arduino-makefile as submodule
Merge pull request #20 from WeAreLeka/dev

add submodule arduino-makefile