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-admin-v2/node_modules/chartjs-node-canvas/src/freshRequire.ts

@@ -0,0 +1,11 @@
+// https://github.com/hughsk/fresh-require
+
+export const freshRequire: /*NodeJS.Require*/ (id: string) => any = (file) => {
+
+	const resolvedFile = require.resolve(file);
+	const temp = require.cache[resolvedFile];
+	delete require.cache[resolvedFile];
+	const modified = require(resolvedFile);
+	require.cache[resolvedFile] = temp;
+	return modified;
+};