add dashboard frontend

resources/js/utils/time.ts

@@ -0,0 +1,8 @@
+import dayjs from 'dayjs';
+import duration from 'dayjs/plugin/duration';
+
+dayjs.extend(duration);
+
+export function formatHumanReadableDuration(duration: number): string {
+    return dayjs.duration(duration, 's').format('HH[h] mm[min]');
+}