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/startOfUTCWeekYear/index.js

@@ -0,0 +1,20 @@
+import toInteger from "../toInteger/index.js";
+import getUTCWeekYear from "../getUTCWeekYear/index.js";
+import startOfUTCWeek from "../startOfUTCWeek/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 startOfUTCWeekYear(dirtyDate, dirtyOptions) {
+  requiredArgs(1, arguments);
+  var options = dirtyOptions || {};
+  var locale = options.locale;
+  var localeFirstWeekContainsDate = locale && locale.options && locale.options.firstWeekContainsDate;
+  var defaultFirstWeekContainsDate = localeFirstWeekContainsDate == null ? 1 : toInteger(localeFirstWeekContainsDate);
+  var firstWeekContainsDate = options.firstWeekContainsDate == null ? defaultFirstWeekContainsDate : toInteger(options.firstWeekContainsDate);
+  var year = getUTCWeekYear(dirtyDate, dirtyOptions);
+  var firstWeek = new Date(0);
+  firstWeek.setUTCFullYear(year, 0, firstWeekContainsDate);
+  firstWeek.setUTCHours(0, 0, 0, 0);
+  var date = startOfUTCWeek(firstWeek, dirtyOptions);
+  return date;
+}