add break time entries and simplified time tracker ui

app/Enums/TimeEntryType.php

@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Enums;
+
+use Datomatic\LaravelEnumHelper\LaravelEnumHelper;
+
+enum TimeEntryType: string
+{
+    use LaravelEnumHelper;
+
+    case Work = 'work';
+    case Break = 'break';
+}