🏗️(app-desk) export app in out folder

We export the app in the out folder. This is a static export,
so our app can be deployed and hosted
on any web server that can serve HTML/CSS/JS static assets.

src/frontend/apps/desk/next.config.js

@@ -1,5 +1,6 @@
 /** @type {import('next').NextConfig} */
 const nextConfig = {
+  output: 'export',
 };
 
 module.exports = nextConfig;