Attempt to keep screen unlocked

templates/new_workout.html

@@ -108,6 +108,12 @@
             let workout = [];
             let previousReadingTime = null;
 
+            let screenLock;
+            navigator.wakeLock.request('screen')
+                .then(lock => {
+                    screenLock = lock;
+                });
+
             const integerNumber = (num) => parseInt(num);
             const decimalNumber = (num) => parseFloat(num.toFixed(1));