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/nodemon/lib/monitor/signals.js

@@ -0,0 +1,34 @@
+module.exports = {
+  SIGHUP: 1,
+  SIGINT: 2,
+  SIGQUIT: 3,
+  SIGILL: 4,
+  SIGTRAP: 5,
+  SIGABRT: 6,
+  SIGBUS: 7,
+  SIGFPE: 8,
+  SIGKILL: 9,
+  SIGUSR1: 10,
+  SIGSEGV: 11,
+  SIGUSR2: 12,
+  SIGPIPE: 13,
+  SIGALRM: 14,
+  SIGTERM: 15,
+  SIGSTKFLT: 16,
+  SIGCHLD: 17,
+  SIGCONT: 18,
+  SIGSTOP: 19,
+  SIGTSTP: 20,
+  SIGTTIN: 21,
+  SIGTTOU: 22,
+  SIGURG: 23,
+  SIGXCPU: 24,
+  SIGXFSZ: 25,
+  SIGVTALRM: 26,
+  SIGPROF: 27,
+  SIGWINCH: 28,
+  SIGIO: 29,
+  SIGPWR: 30,
+  SIGSYS: 31,
+  SIGRTMIN: 35,
+}