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-array/readme.md

@@ -0,0 +1,43 @@
+# postgres-array [![Build Status](https://travis-ci.org/bendrucker/postgres-array.svg?branch=master)](https://travis-ci.org/bendrucker/postgres-array)
+
+> Parse postgres array columns
+
+
+## Install
+
+```
+$ npm install --save postgres-array
+```
+
+
+## Usage
+
+```js
+var postgresArray = require('postgres-array')
+
+postgresArray.parse('{1,2,3}', (value) => parseInt(value, 10))
+//=> [1, 2, 3]
+```
+
+## API
+
+#### `parse(input, [transform])` -> `array`
+
+##### input
+
+*Required*  
+Type: `string`
+
+A Postgres array string.
+
+##### transform
+
+Type: `function`  
+Default: `identity`
+
+A function that transforms non-null values inserted into the array.
+
+
+## License
+
+MIT © [Ben Drucker](http://bendrucker.me)