One day build: Pomodoro timer
Set timers (that run in the background)
For 25 minutes(work timer), 15 minutes(long break) and 5 minutes(short break)

What is a Pomodoro timer?
"The Pomodoro Technique is a time management method developed by Francesco Cirillo in the late 1980s. The technique uses a timer to break down work into intervals, traditionally 25 minutes in length, separated by short breaks.
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-Wikipedia