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/isEqual/index.js

@@ -0,0 +1,34 @@
+import toDate from "../toDate/index.js";
+import requiredArgs from "../_lib/requiredArgs/index.js";
+/**
+ * @name isEqual
+ * @category Common Helpers
+ * @summary Are the given dates equal?
+ *
+ * @description
+ * Are the given dates equal?
+ *
+ * ### v2.0.0 breaking changes:
+ *
+ * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).
+ *
+ * @param {Date|Number} dateLeft - the first date to compare
+ * @param {Date|Number} dateRight - the second date to compare
+ * @returns {Boolean} the dates are equal
+ * @throws {TypeError} 2 arguments required
+ *
+ * @example
+ * // Are 2 July 2014 06:30:45.000 and 2 July 2014 06:30:45.500 equal?
+ * var result = isEqual(
+ *   new Date(2014, 6, 2, 6, 30, 45, 0),
+ *   new Date(2014, 6, 2, 6, 30, 45, 500)
+ * )
+ * //=> false
+ */
+
+export default function isEqual(dirtyLeftDate, dirtyRightDate) {
+  requiredArgs(2, arguments);
+  var dateLeft = toDate(dirtyLeftDate);
+  var dateRight = toDate(dirtyRightDate);
+  return dateLeft.getTime() === dateRight.getTime();
+}