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/v5.d.ts

@@ -0,0 +1,9 @@
+import type { UUIDTypes } from './types.js';
+export { DNS, URL } from './v35.js';
+declare function v5(value: string | Uint8Array, namespace: UUIDTypes, buf?: undefined, offset?: number): string;
+declare function v5<TBuf extends Uint8Array = Uint8Array>(value: string | Uint8Array, namespace: UUIDTypes, buf: TBuf, offset?: number): TBuf;
+declare namespace v5 {
+    var DNS: string;
+    var URL: string;
+}
+export default v5;