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/@react-native/community-cli-plugin/README.md

@@ -0,0 +1,92 @@
+# @react-native/community-cli-plugin
+
+> This is an internal dependency of React Native. **Please don't depend on it directly.**
+
+CLI entry points supporting core React Native development features.
+
+Formerly [@react-native-community/cli-plugin-metro](https://www.npmjs.com/package/@react-native-community/cli-plugin-metro).
+
+## Commands
+
+### `start`
+
+Start the React Native development server.
+
+#### Usage
+
+```sh
+npx react-native start [options]
+```
+
+#### Options
+
+| Option | Description |
+| - | - |
+| `--port <number>` | Set the server port. |
+| `--host <string>` | Set the server host. |
+| `--projectRoot <path>` | Set the path to the project root. |
+| `--watchFolders <list>` | Specify additional folders to be added to the watch list. |
+| `--assetPlugins <list>` | Specify additional asset plugins. |
+| `--sourceExts <list>` | Specify additional source extensions to bundle. |
+| `--max-workers <number>` | Set the maximum number of workers the worker-pool will spawn for transforming files. Defaults to the number of the cores available on your machine. |
+| `--transformer <string>` | Specify a custom transformer. |
+| `--reset-cache` | Remove cached files. |
+| `--custom-log-reporter-path <string>` | Specify a module path exporting a replacement for `TerminalReporter`. |
+| `--https` | Enable HTTPS connections. |
+| `--key <path>`| Specify path to a custom SSL key. |
+| `--cert <path>` | Specify path to a custom SSL cert. |
+| `--config <string>` | Path to the CLI configuration file. |
+| `--no-interactive` | Disable interactive mode. |
+
+### `bundle`
+
+Build the bundle for the provided JavaScript entry file.
+
+#### Usage
+
+```sh
+npx react-native bundle --entry-file <path> [options]
+```
+
+#### Options
+
+| Option | Description |
+| - | - |
+| `--entry-file <path>` | Set the path to the root JavaScript entry file. |
+| `--platform <string>` | Set the target platform (either `"android"` or `"ios"`). Defaults to `"ios"`. |
+| `--transformer <string>` | Specify a custom transformer. |
+| `--dev [boolean]` | If `false`, warnings are disabled and the bundle is minified. Defaults to `true`. |
+| `--minify [boolean]` | Allows overriding whether bundle is minified. Defaults to `false` if `--dev` is set. Disabling minification can be useful for speeding up production builds for testing purposes. |
+| `--bundle-output <string>` | Specify the path to store the resulting bundle. |
+| `--bundle-encoding <string>` | Specify the encoding for writing the bundle (<https://nodejs.org/api/buffer.html#buffer_buffer>). |
+| `--resolver-option <string...>` | Custom resolver options of the form key=value. URL-encoded. May be specified multiple times. |
+| `--sourcemap-output <string>` | Specify the path to store the source map file for the resulting bundle. |
+| `--sourcemap-sources-root <string>` | Set the root path for source map entries. |
+| `--sourcemap-use-absolute-path` | Report `SourceMapURL` using its full path. |
+| `--max-workers <number>` | Set the maximum number of workers the worker-pool will spawn for transforming files. Defaults to the number of the cores available on your machine. |
+| `--assets-dest <string>` | Specify the directory path for storing assets referenced in the bundle. |
+| `--reset-cache` | Remove cached files. |
+| `--read-global-cache` | Attempt to fetch transformed JS code from the global cache, if configured. Defaults to `false`. |
+| `--config <string>` | Path to the CLI configuration file. |
+
+### `ram-bundle`
+
+Build the [RAM bundle](https://reactnative.dev/docs/ram-bundles-inline-requires) for the provided JavaScript entry file.
+
+#### Usage
+
+```sh
+npx react-native ram-bundle --entry-file <path> [options]
+```
+
+#### Options
+
+Accepts all options supported by [`bundle`](#bundle) and the following:
+
+| Option | Description |
+| - | - |
+| `--indexed-ram-bundle` | Force the "Indexed RAM" bundle file format, even when building for Android. |
+
+## Contributing
+
+Changes to this package can be made locally and tested against the `rn-tester` app, per the [Contributing guide](https://reactnative.dev/contributing/overview#contributing-code). During development, this package is automatically run from source with no build step.