Initial commit: Plan B Logistics Flutter app with dark mode and responsive design

Implements complete refactor of Ionic Angular logistics app to Flutter/Dart with:
- Svrnty dark mode console theme (Material Design 3)
- Responsive layouts (mobile, tablet, desktop) following FRONTEND standards
- CQRS API integration with Result<T> error handling
- OAuth2/OIDC authentication support (mocked for initial testing)
- Delivery route and delivery management features
- Multi-language support (EN/FR) with i18n
- Native integrations (camera, phone calls, maps)
- Strict typing throughout codebase
- Mock data for UI testing without backend

Follows all FRONTEND style guides, design patterns, and conventions.
App is running in dark mode and fully responsive across all device sizes.

Co-Authored-By: Claude <noreply@anthropic.com>

lib/l10n/app_fr.arb

@@ -0,0 +1,69 @@
+{
+  "@@locale": "fr",
+  "appTitle": "Plan B Logistique",
+  "appDescription": "Systme de Gestion des Livraisons",
+  "loginWithKeycloak": "Connexion avec Keycloak",
+  "deliveryRoutes": "Itinraires de Livraison",
+  "routes": "Itinraires",
+  "deliveries": "Livraisons",
+  "settings": "Paramtres",
+  "profile": "Profil",
+  "logout": "Dconnexion",
+  "completed": "Livr",
+  "pending": "En attente",
+  "todo": "livrer",
+  "delivered": "Livr",
+  "newCustomer": "Nouveau Client",
+  "items": "{count} articles",
+  "@items": {
+    "placeholders": {
+      "count": {"type": "int"}
+    }
+  },
+  "moneyCurrency": "{amount} MAD",
+  "@moneyCurrency": {
+    "placeholders": {
+      "amount": {"type": "double"}
+    }
+  },
+  "call": "Appeler",
+  "map": "Carte",
+  "more": "Plus",
+  "markAsCompleted": "Marquer comme livr",
+  "markAsUncompleted": "Marquer comme  livrer",
+  "uploadPhoto": "Tlcharger une photo",
+  "viewDetails": "Voir les dtails",
+  "deliverySuccessful": "Livraison marque comme complte",
+  "deliveryFailed": "chec du marquage de la livraison",
+  "noDeliveries": "Aucune livraison",
+  "noRoutes": "Aucun itinraire disponible",
+  "error": "Erreur: {message}",
+  "@error": {
+    "placeholders": {
+      "message": {"type": "String"}
+    }
+  },
+  "retry": "Ressayer",
+  "authenticationRequired": "Authentification requise",
+  "phoneCall": "Appeler le client",
+  "navigateToAddress": "Afficher sur la carte",
+  "language": "Langue",
+  "english": "English",
+  "french": "Franais",
+  "appVersion": "Version de l'application",
+  "about": " propos",
+  "fullName": "{firstName} {lastName}",
+  "@fullName": {
+    "placeholders": {
+      "firstName": {"type": "String"},
+      "lastName": {"type": "String"}
+    }
+  },
+  "completedDeliveries": "{completed}/{total} livrs",
+  "@completedDeliveries": {
+    "placeholders": {
+      "completed": {"type": "int"},
+      "total": {"type": "int"}
+    }
+  }
+}