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/date-fns/esm/_lib/startOfUTCISOWeekYear/index.js

@@ -0,0 +1,14 @@
+import getUTCISOWeekYear from "../getUTCISOWeekYear/index.js";
+import startOfUTCISOWeek from "../startOfUTCISOWeek/index.js";
+import requiredArgs from "../requiredArgs/index.js"; // This function will be a part of public API when UTC function will be implemented.
+// See issue: https://github.com/date-fns/date-fns/issues/376
+
+export default function startOfUTCISOWeekYear(dirtyDate) {
+  requiredArgs(1, arguments);
+  var year = getUTCISOWeekYear(dirtyDate);
+  var fourthOfJanuary = new Date(0);
+  fourthOfJanuary.setUTCFullYear(year, 0, 4);
+  fourthOfJanuary.setUTCHours(0, 0, 0, 0);
+  var date = startOfUTCISOWeek(fourthOfJanuary);
+  return date;
+}