Feature: Lazy loading

Lazy loaded everything
TODO: The cash flow module when clicking on sub-links, it reloads the whole page, it needs to be diagnosed and fixed, this problem also exists in the other modules
TODO: Rename folders and modules such as account to accounts to match the url

overlord/src/app/employee-functions/employee-functions.component.ts

@@ -91,7 +91,7 @@ export class EmployeeFunctionsComponent implements OnInit {
       // this.toaster.show('Danger', 'Please choose a start and finish date.');
       return;
     }
-    return '/AttendanceReport?StartDate=' + startDate + '&FinishDate=' + finishDate;
+    return '/attendance-report?StartDate=' + startDate + '&FinishDate=' + finishDate;
   }
 
   detectFiles(event) {