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/eastasianwidth/package.json

@@ -0,0 +1,18 @@
+{
+  "name": "eastasianwidth",
+  "version": "0.2.0",
+  "description": "Get East Asian Width from a character.",
+  "main": "eastasianwidth.js",
+  "files": [
+    "eastasianwidth.js"
+  ],
+  "scripts": {
+    "test": "mocha"
+  },
+  "repository": "git://github.com/komagata/eastasianwidth.git",
+  "author": "Masaki Komagata",
+  "license": "MIT",
+  "devDependencies": {
+    "mocha": "~1.9.0"
+  }
+}