feat: add staff attire management feature

- Introduced localization for staff attire in English and Spanish.
- Created AttireItem entity to represent attire items.
- Implemented StaffAttireModule with repository, use cases, and BLoC for state management.
- Developed UI components including AttirePage, AttireGrid, AttireInfoCard, AttestationCheckbox, and AttireBottomBar.
- Added navigation for attire management and integrated with existing staff profile flow.
- Implemented functionality for selecting attire items, uploading photos, and saving selections with validation.

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

@@ -9,6 +9,7 @@ import 'package:staff_bank_account/staff_bank_account.dart';
 import 'package:staff_tax_forms/staff_tax_forms.dart';
 import 'package:staff_documents/staff_documents.dart';
 import 'package:staff_certificates/staff_certificates.dart';
+import 'package:staff_attire/staff_attire.dart';
 
 import 'package:staff_main/src/presentation/blocs/staff_main_cubit.dart';
 import 'package:staff_main/src/presentation/constants/staff_main_routes.dart';
@@ -55,6 +56,7 @@ class StaffMainModule extends Module {
     r.module('/onboarding', module: StaffProfileInfoModule());
     r.module('/emergency-contact', module: StaffEmergencyContactModule());
     r.module('/experience', module: StaffProfileExperienceModule());
+    r.module('/attire', module: StaffAttireModule());
     r.module('/bank-account', module: StaffBankAccountModule());
     r.module('/tax-forms', module: StaffTaxFormsModule());
     r.module(