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/path-is-absolute/package.json

@@ -0,0 +1,43 @@
+{
+  "name": "path-is-absolute",
+  "version": "1.0.1",
+  "description": "Node.js 0.12 path.isAbsolute() ponyfill",
+  "license": "MIT",
+  "repository": "sindresorhus/path-is-absolute",
+  "author": {
+    "name": "Sindre Sorhus",
+    "email": "sindresorhus@gmail.com",
+    "url": "sindresorhus.com"
+  },
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "test": "xo && node test.js"
+  },
+  "files": [
+    "index.js"
+  ],
+  "keywords": [
+    "path",
+    "paths",
+    "file",
+    "dir",
+    "absolute",
+    "isabsolute",
+    "is-absolute",
+    "built-in",
+    "util",
+    "utils",
+    "core",
+    "ponyfill",
+    "polyfill",
+    "shim",
+    "is",
+    "detect",
+    "check"
+  ],
+  "devDependencies": {
+    "xo": "^0.16.0"
+  }
+}