feat: Implement Staff Profile feature with BLoC architecture

- Added ProfileRepositoryInterface for staff profile operations.
- Created StaffProfileUI to represent extended profile information for the UI.
- Developed GetProfileUseCase to fetch staff profiles and map to UI entities.
- Implemented SignOutUseCase for user sign-out functionality.
- Introduced ProfileCubit to manage profile state and loading logic.
- Created ProfileState to represent various states of the profile feature.
- Developed ProfileNavigator for type-safe navigation within the profile feature.
- Built StaffProfilePage to display staff member's profile and statistics.
- Added various widgets for profile display, including reliability stats and menu items.
- Established StaffProfileModule for dependency injection and routing.
- Configured pubspec.yaml for feature package dependencies.

apps/mobile/packages/features/staff/profile/pubspec.yaml

@@ -0,0 +1,41 @@
+name: staff_profile
+description: Staff Profile feature package.
+version: 0.0.1
+publish_to: 'none'
+
+environment:
+  sdk: '>=3.0.0 <4.0.0'
+  flutter: ">=1.17.0"
+
+dependencies:
+  flutter:
+    sdk: flutter
+  
+  # Architecture
+  flutter_modular: ^5.0.0 
+  flutter_bloc: ^8.1.3
+  
+  # Utility/DI
+  injectable: ^2.3.0
+  get_it: ^7.6.4 
+
+  # Project-specific packages
+  domain:
+    path: ../../../domain
+  data_connect:
+    path: ../../../data_connect
+  core_localization:
+    path: ../../../core_localization
+  design_system:
+    path: ../../../design_system # Assuming this path
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+  flutter_lints: ^2.0.0
+  injectable_generator: ^2.4.1
+  build_runner: ^2.4.6
+
+# Flutter modular configuration
+flutter:
+  uses-material-design: true