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-api/node_modules/postgres-bytea/readme.md

@@ -0,0 +1,34 @@
+# postgres-bytea [![Build Status](https://travis-ci.org/bendrucker/postgres-bytea.svg?branch=master)](https://travis-ci.org/bendrucker/postgres-bytea)
+
+> Postgres bytea parser
+
+
+## Install
+
+```
+$ npm install --save postgres-bytea
+```
+
+
+## Usage
+
+```js
+var bytea = require('postgres-bytea');
+bytea('\\000\\100\\200')
+//=> buffer
+```
+
+## API
+
+#### `bytea(input)` -> `buffer`
+
+##### input
+
+*Required*  
+Type: `string`
+
+A Postgres bytea binary string.
+
+## License
+
+MIT © [Ben Drucker](http://bendrucker.me)