created timer description

examples/timer/README.md

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+# Custom timer app
+
+This app aims to combine stopwatch, timer and alarm in one app.
+
+### Stopwatch mode
+When you open the app, it is in stop watch mode.
+Press the middle button to start the stopwatch.
+Pressing the upper button while it's running resets it.
+Pressing the lower button while it's running creates lap timer.
+
+### Timer mode
+After opening the app and it's in stopwatch mode, instead of starting the stopwatch, press the lower button.
+This will allow you to select your timer time by using the upper/lower button.
+The lower button always moves the hands to the next 5-minute-mark.
+The upper button subtracts one minute from the currently set timer time.
+Long pressing the upper/lower button will make the hands move until you release the button.
+Press the middle button to start the timer.
+
+While the timer is running, you can add/subtract a minute with the lower/upper button.
+Pressing the middle button stops the timer and brings you back to the time selection.
+
+### Alarm mode
+This is just an alternative way of setting a timer time.
+After opening the app and it's in stopwatch mode, instead of starting the stopwatch, press the upper button.
+This will set the hands to the current time.
+(Long) pressing the upper/lower button move the hands to the time you want the timer to stop.
+SO, you don't set the timer directly, but set the absolute time when it needs to stop, like with a regular alarm clock.
+As an example: It's 6:05 currently, and you set the hands to point at 7:00.
+After starting, the timer will start to count down 0:55, e.g. 55 minutes, since thats the time delta to your set time.
+After pressing the middle button, the watch will calculate the time to your set time and switch to timer mode.