~ruther/uni-mam-arm

ref: f80d4fd6aac9e7b5c7357388ff8cc9260c09deaf uni-mam-arm/arm07/src d---------
chore(arm07): add few image upload commands
feat(arm07): implement uploading images
feat(arm07): use rx not empty as not busy flag
feat(arm07): add exti both edges interrupt function
feat(arm07): implement few commands
feat(arm07): reimplement short/long button press with timer with just one refresh
feat(arm07): reimplement short/long button press via updating timer mutliple times
feat(arm07): add led indication of auto toggle
feat(arm07): implement most
feat: implement large part of arm07