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/express-validator/lib/utils.d.ts

@@ -0,0 +1,12 @@
+import { Request } from './base';
+import { ContextRunningOptions, ResultWithContext, ValidationChainLike } from './chain';
+export declare const bindAll: <T>(object: T) => { [K in keyof T]: T[K]; };
+export declare function toString(value: any): string;
+/**
+ * Runs all validation chains, and returns their results.
+ *
+ * If one of them has a request-level bail set, the previous chains will be awaited on so that
+ * results are not skewed, which can be slow.
+ * If this same chain also contains errors, no further chains are run.
+ */
+export declare function runAllChains(req: Request, chains: readonly ValidationChainLike[], runOpts?: ContextRunningOptions): Promise<ResultWithContext[]>;