touchtimer: ADD 5 second count down buzzer

- This is a configurable option (Default is off) for the timer to buzz
  each second when there are 5 seconds left.

apps/touchtimer/ChangeLog

@@ -1,3 +1,4 @@
 0.01: Initial creation of the touch timer app
 0.02: Add settings menu
 0.03: Add ability to repeat last timer
+0.04: Add 5 second count down buzzer

apps/touchtimer/app.js

@@ -126,6 +126,14 @@ var main = () => {
       timerIntervalId = setInterval(() => {
         timerCountDown.draw();
 
+        // Buzz lightly when there are less then 5 seconds left
+        if (settings.countDownBuzz) {
+          var remainingSeconds = timerCountDown.getAdjustedTime().seconds;
+          if (remainingSeconds <= 5 && remainingSeconds > 0) {
+            Bangle.buzz();
+          }
+        }
+
         if (timerCountDown.isFinished()) {
           buttonStartPause.value = "FINISHED!";
           buttonStartPause.draw();

apps/touchtimer/metadata.json

@@ -2,7 +2,7 @@
   "id": "touchtimer",
   "name": "Touch Timer",
   "shortName": "Touch Timer",
-  "version": "0.03",
+  "version": "0.04",
   "description": "Quickly and easily create a timer with touch-only input. The time can be easily set with a number pad.",
   "icon": "app.png",
   "tags": "tools",

apps/touchtimer/settings.js

@@ -31,6 +31,14 @@
           writeSettings(settings);
         },
       },
+      "CountDown Buzz": {
+        value: !!settings.countDownBuzz,
+        format: value => value?"On":"Off",
+        onchange: (value) => {
+          settings.countDownBuzz = value;
+          writeSettings(settings);
+        },
+      },
       "Pause Between": {
         value: settings.pauseBetween,
         min: 1,