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/thenify-all/README.md

@@ -0,0 +1,66 @@
+
+# thenify-all
+
+[![NPM version][npm-image]][npm-url]
+[![Build status][travis-image]][travis-url]
+[![Test coverage][coveralls-image]][coveralls-url]
+[![Dependency Status][david-image]][david-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+[![Gittip][gittip-image]][gittip-url]
+
+Promisifies all the selected functions in an object.
+
+```js
+var thenifyAll = require('thenify-all');
+
+var fs = thenifyAll(require('fs'), {}, [
+  'readFile',
+  'writeFile',
+]);
+
+fs.readFile(__filename).then(function (buffer) {
+  console.log(buffer.toString());
+});
+```
+
+## API
+
+### var obj = thenifyAll(source, [obj], [methods])
+
+Promisifies all the selected functions in an object.
+
+- `source` - the source object for the async functions
+- `obj` - the destination to set all the promisified methods
+- `methods` - an array of method names of `source`
+
+### var obj = thenifyAll.withCallback(source, [obj], [methods])
+
+Promisifies all the selected functions in an object and backward compatible with callback.
+
+- `source` - the source object for the async functions
+- `obj` - the destination to set all the promisified methods
+- `methods` - an array of method names of `source`
+
+### thenifyAll.thenify
+
+Exports [thenify](https://github.com/thenables/thenify) this package uses.
+
+[gitter-image]: https://badges.gitter.im/thenables/thenify-all.png
+[gitter-url]: https://gitter.im/thenables/thenify-all
+[npm-image]: https://img.shields.io/npm/v/thenify-all.svg?style=flat-square
+[npm-url]: https://npmjs.org/package/thenify-all
+[github-tag]: http://img.shields.io/github/tag/thenables/thenify-all.svg?style=flat-square
+[github-url]: https://github.com/thenables/thenify-all/tags
+[travis-image]: https://img.shields.io/travis/thenables/thenify-all.svg?style=flat-square
+[travis-url]: https://travis-ci.org/thenables/thenify-all
+[coveralls-image]: https://img.shields.io/coveralls/thenables/thenify-all.svg?style=flat-square
+[coveralls-url]: https://coveralls.io/r/thenables/thenify-all
+[david-image]: http://img.shields.io/david/thenables/thenify-all.svg?style=flat-square
+[david-url]: https://david-dm.org/thenables/thenify-all
+[license-image]: http://img.shields.io/npm/l/thenify-all.svg?style=flat-square
+[license-url]: LICENSE
+[downloads-image]: http://img.shields.io/npm/dm/thenify-all.svg?style=flat-square
+[downloads-url]: https://npmjs.org/package/thenify-all
+[gittip-image]: https://img.shields.io/gratipay/jonathanong.svg?style=flat-square
+[gittip-url]: https://gratipay.com/jonathanong/