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/axios/lib/platform/browser/classes/Blob.js

@@ -0,0 +1,3 @@
+'use strict';
+
+export default typeof Blob !== 'undefined' ? Blob : null;

landvex/node_modules/axios/lib/platform/browser/classes/FormData.js

@@ -0,0 +1,3 @@
+'use strict';
+
+export default typeof FormData !== 'undefined' ? FormData : null;

landvex/node_modules/axios/lib/platform/browser/classes/URLSearchParams.js

@@ -0,0 +1,4 @@
+'use strict';
+
+import AxiosURLSearchParams from '../../../helpers/AxiosURLSearchParams.js';
+export default typeof URLSearchParams !== 'undefined' ? URLSearchParams : AxiosURLSearchParams;

landvex/node_modules/axios/lib/platform/browser/index.js

@@ -0,0 +1,13 @@
+import URLSearchParams from './classes/URLSearchParams.js';
+import FormData from './classes/FormData.js';
+import Blob from './classes/Blob.js';
+
+export default {
+  isBrowser: true,
+  classes: {
+    URLSearchParams,
+    FormData,
+    Blob,
+  },
+  protocols: ['http', 'https', 'file', 'blob', 'url', 'data'],
+};