a timer
button that start a timer
know if we are on break or working
setting for working time
setting for rest time
setting for break time
we need to be able to :
unstarted 1st working 20 minutes short break for 5 minutes 2nd working 20 minutes short break for 5 minutes 3rd working 20 minutes short break for 5 minutes 4th working 20 minutes long break for 30 minutes