feat: Passwordless cross-device authentication

- Arkitektur: docs/auth/passwordless-architecture.md
- Backend: iom/quixzoom-auth-service/ (FastAPI + Redis)
- Webb: quixzoom-market-pages/se/login/ (QR-kod + polling)
- App: iom/quixzoom-app/src/features/auth/ (push + deep links)

Flöde: QR-kod → app-godkännande → webb-inloggad

landvex/node_modules/istanbul-reports/lib/html-spa/webpack.config.js

@@ -0,0 +1,22 @@
+'use strict';
+
+const path = require('path');
+
+module.exports = {
+    entry: path.resolve(__dirname, 'src/index.js'),
+    output: {
+        path: path.resolve(__dirname, 'assets'),
+        filename: 'bundle.js'
+    },
+    module: {
+        rules: [
+            {
+                test: /\.js$/,
+                exclude: /node_modules/,
+                use: {
+                    loader: 'babel-loader'
+                }
+            }
+        ]
+    }
+};