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/hermes-profile-transformer/dist/index.debug.d.ts

@@ -0,0 +1,12 @@
+import { DurationEvent } from './types/EventInterfaces';
+/**
+ * This transformer can take in the path of the profile, the source map (optional) and the bundle file name (optional)
+ * and return a promise which resolves to Chrome Dev Tools compatible events
+ * @param profilePath string
+ * @param sourceMapPath string
+ * @param bundleFileName string
+ * @return Promise<DurationEvent[]>
+ */
+declare const transformer: (profilePath: string, sourceMapPath: string | undefined, bundleFileName: string | undefined) => Promise<DurationEvent[]>;
+export default transformer;
+export { SourceMap } from './types/SourceMap';