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/@sinonjs/commons/lib/global.test.js

@@ -0,0 +1,16 @@
+"use strict";
+
+var assert = require("@sinonjs/referee-sinon").assert;
+var globalObject = require("./global");
+
+describe("global", function () {
+    before(function () {
+        if (typeof global === "undefined") {
+            this.skip();
+        }
+    });
+
+    it("is same as global", function () {
+        assert.same(globalObject, global);
+    });
+});