feat(staff): integrate staff_home feature

- Created staff_main package with module, bloc, and pages
- Integrated staff_home into staff_main
- Updated route constants to use /worker-main
- Fixed intl version conflict

apps/mobile/packages/features/staff/staff_main/lib/src/staff_main_module.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_modular/flutter_modular.dart';
+import 'package:staff_home/staff_home.dart';
 
 import 'package:staff_main/src/presentation/blocs/staff_main_cubit.dart';
 import 'package:staff_main/src/presentation/constants/staff_main_routes.dart';
@@ -28,9 +29,9 @@ class StaffMainModule extends Module {
           child: (BuildContext context) =>
               const PlaceholderPage(title: 'Payments'),
         ),
-        ChildRoute<dynamic>(
+        ModuleRoute<dynamic>(
           StaffMainRoutes.home,
-          child: (BuildContext context) => const PlaceholderPage(title: 'Home'),
+          module: StaffHomeModule(),
         ),
         ChildRoute<dynamic>(
           StaffMainRoutes.clockIn,