feat(smart-app): implement complete mobile app MVP

- App.tsx: full navigation (Auth stack + Main tabs with 5 screens)
- Auth: LoginScreen, RegisterScreen, ForgotPasswordScreen
- HomeScreen: dashboard with IoT metrics, weather widget, alerts, quick actions, sensors
- MapScreen: interactive map with layer toggles (6 layers)
- MarketplaceScreen: categories (6), products (5), search
- ChatScreen: AI chat with quick prompts (4), bot responses
- ProfileScreen: user info, stats, menu (9 items), logout
- AlertsScreen: alert list with severity, acknowledge
- SensorsScreen: sensor list with type filters (6 types), search
- ZonesScreen: zone cards with stats
- SettingsScreen: language picker (FR/EN/ES/DE), privacy, about
- Stores: iotStore (sensors, zones, alerts), notificationStore, uiStore + i18n
- Hooks: useSensors, useAlerts, useNotifications, useLocation
- Components: Card, Button, LoadingSpinner, ErrorBoundary, Header
- Services: iotService, notificationService (with axios API client)
- Utils: formatters (temp, AQI, noise, dates), validators (email, password, IBAN)
- Theme: colors.ts with full design system (Blue Ocean palette)
- Ditto: fixed MongoDB connection, new JWT secrets, official gateway image

smart-app-city/frontend/node_modules/jest-validate/build/exampleConfig.js

@@ -0,0 +1,38 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+exports.default = void 0;
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+const config = {
+  comment: '  A comment',
+  condition: () => true,
+  deprecate: () => false,
+  deprecatedConfig: {
+    key: () => 'Deprecation message'
+  },
+  // eslint-disable-next-line @typescript-eslint/no-empty-function
+  error: () => {},
+  exampleConfig: {
+    key: 'value',
+    test: 'case'
+  },
+  recursive: true,
+  recursiveDenylist: [],
+  title: {
+    deprecation: 'Deprecation Warning',
+    error: 'Validation Error',
+    warning: 'Validation Warning'
+  },
+  // eslint-disable-next-line @typescript-eslint/no-empty-function
+  unknown: () => {}
+};
+var _default = config;
+exports.default = _default;