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/touch/package.json

@@ -0,0 +1,25 @@
+{
+  "author": "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)",
+  "name": "touch",
+  "description": "like touch(1) in node",
+  "version": "3.1.1",
+  "repository": "git://github.com/isaacs/node-touch.git",
+  "bin": {
+    "nodetouch": "./bin/nodetouch.js"
+  },
+  "license": "ISC",
+  "scripts": {
+    "test": "tap test/*.js --100 -J",
+    "preversion": "npm test",
+    "postversion": "npm publish",
+    "postpublish": "git push origin --all; git push origin --tags"
+  },
+  "devDependencies": {
+    "mutate-fs": "^1.1.0",
+    "tap": "^10.7.0"
+  },
+  "files": [
+    "index.js",
+    "bin/nodetouch.js"
+  ]
+}