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/dir-glob/readme.md

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+# dir-glob [![Build Status](https://travis-ci.org/kevva/dir-glob.svg?branch=master)](https://travis-ci.org/kevva/dir-glob)
+
+> Convert directories to glob compatible strings
+
+
+## Install
+
+```
+$ npm install dir-glob
+```
+
+
+## Usage
+
+```js
+const dirGlob = require('dir-glob');
+
+(async () => {
+	console.log(await dirGlob(['index.js', 'test.js', 'fixtures']));
+	//=> ['index.js', 'test.js', 'fixtures/**']
+
+	console.log(await dirGlob(['index.js', 'inner_folder'], {cwd: 'fixtures'}));
+	//=> ['index.js', 'inner_folder/**']
+
+	console.log(await dirGlob(['lib/**', 'fixtures'], {
+		files: ['test', 'unicorn']
+		extensions: ['js']
+	}));
+	//=> ['lib/**', 'fixtures/**/test.js', 'fixtures/**/unicorn.js']
+
+	console.log(await dirGlob(['lib/**', 'fixtures'], {
+		files: ['test', 'unicorn', '*.jsx'],
+		extensions: ['js', 'png']
+	}));
+	//=> ['lib/**', 'fixtures/**/test.{js,png}', 'fixtures/**/unicorn.{js,png}', 'fixtures/**/*.jsx']
+})();
+```
+
+
+## API
+
+### dirGlob(input, options?)
+
+Returns a `Promise<string[]>` with globs.
+
+### dirGlob.sync(input, options?)
+
+Returns a `string[]` with globs.
+
+#### input
+
+Type: `string | string[]`
+
+Paths.
+
+#### options
+
+Type: `object`
+
+##### extensions
+
+Type: `string[]`
+
+Append extensions to the end of your globs.
+
+##### files
+
+Type: `string[]`
+
+Only glob for certain files.
+
+##### cwd
+
+Type: `string[]`
+
+Test in specific directory.