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/_lib/toInteger/index.js

@@ -0,0 +1,22 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = toInteger;
+
+function toInteger(dirtyNumber) {
+  if (dirtyNumber === null || dirtyNumber === true || dirtyNumber === false) {
+    return NaN;
+  }
+
+  var number = Number(dirtyNumber);
+
+  if (isNaN(number)) {
+    return number;
+  }
+
+  return number < 0 ? Math.ceil(number) : Math.floor(number);
+}
+
+module.exports = exports.default;