feat: add staff payments feature with mock data source and UI components

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

@@ -0,0 +1,28 @@
+name: staff_payments
+description: Staff Payments feature
+version: 0.0.1
+publish_to: 'none'
+
+environment:
+  sdk: '>=3.0.0 <4.0.0'
+  flutter: ">=3.0.0"
+
+dependencies:
+  flutter:
+    sdk: flutter
+  flutter_modular: ^6.3.2
+  lucide_icons: ^0.257.0
+  intl: ^0.20.0
+  
+  # Internal packages
+  design_system:
+    path: ../../../design_system
+  core_localization:
+    path: ../../../core_localization
+  krow_domain:
+    path: ../../../domain
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+  flutter_lints: ^3.0.0