Added comments, incDec function

scoreboard/routes/admin.js

@@ -31,7 +31,12 @@ router.post('/timerReset', function(req, res, next) {
     res.json(timer.getValues());            // Respond with all important values to update the frontend
 });
 
-// Express router endpoint to switch the score after halftime
+router.post('/timerIncDec', function(req, res, next) {
+    timer.incDec(req.body.value);
+    res.json(timer.getValues());
+});
+
+// Express router endpoint to get important timer values
 router.get('/timerGetValues', function(req, res, next) {
     res.json(timer.getValues());            // Respond with important values for frontend
 });
@@ -46,6 +51,4 @@ router.get('/', function(req, res, next) {
     res.render('admin');
 });
 
-
-
 module.exports = router;