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/uuid/dist-node/parse.js

@@ -0,0 +1,9 @@
+import validate from './validate.js';
+function parse(uuid) {
+    if (!validate(uuid)) {
+        throw TypeError('Invalid UUID');
+    }
+    let v;
+    return Uint8Array.of((v = parseInt(uuid.slice(0, 8), 16)) >>> 24, (v >>> 16) & 0xff, (v >>> 8) & 0xff, v & 0xff, (v = parseInt(uuid.slice(9, 13), 16)) >>> 8, v & 0xff, (v = parseInt(uuid.slice(14, 18), 16)) >>> 8, v & 0xff, (v = parseInt(uuid.slice(19, 23), 16)) >>> 8, v & 0xff, ((v = parseInt(uuid.slice(24, 36), 16)) / 0x10000000000) & 0xff, (v / 0x100000000) & 0xff, (v >>> 24) & 0xff, (v >>> 16) & 0xff, (v >>> 8) & 0xff, v & 0xff);
+}
+export default parse;