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/@babel/runtime/helpers/isNativeFunction.js

@@ -0,0 +1,8 @@
+function _isNativeFunction(t) {
+  try {
+    return -1 !== Function.toString.call(t).indexOf("[native code]");
+  } catch (n) {
+    return "function" == typeof t;
+  }
+}
+module.exports = _isNativeFunction, module.exports.__esModule = true, module.exports["default"] = module.exports;