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

node_modules/http-proxy-middleware/dist/logger.js

@@ -0,0 +1,21 @@
+/**
+ * Compatibility matrix
+ *
+  | Library  |  log  |  info  | warn  |  error  | \<interpolation\> |
+  |----------|:------|:-------|:------|:--------|:------------------|
+  | console  |   ✅   |  ✅   |   ✅   |   ✅    |   ✅ (%s %o %O)   |
+  | bunyan   |   ❌   |  ✅   |   ✅   |   ✅    |   ✅ (%s %o %O)   |
+  | pino     |   ❌   |  ✅   |   ✅   |   ✅    |   ✅ (%s %o %O)   |
+  | winston  |   ❌   |  ✅   |   ✅   |   ✅    |   ✅ (%s %o %O)^1 |
+  | log4js   |   ❌   |  ✅   |   ✅   |   ✅    |   ✅ (%s %o %O)   |
+ *
+ * ^1: https://github.com/winstonjs/winston#string-interpolation
+ */
+const noopLogger = {
+    info: () => { },
+    warn: () => { },
+    error: () => { },
+};
+export function getLogger(options) {
+    return options.logger || noopLogger;
+}