Service Portal REST API

Given I am authenticated as Customer K0002
When I send /api/time-zones
Then I should receive HTTP/1.1 200 OK
with following body

{
  "href": "/api/time-zones",
  "items": [{
    "href": "/api/time-zones/Africa.Juba",
    "links": [],
    "data": [{
      "name": "name",
      "value": "Africa/Juba"
    }, {
      "name": "posix",
      "value": ""
    }]
  }, {
    "href": "/api/time-zones/Europe.Berlin",
    "links": [],
    "data": [{
      "name": "name",
      "value": "Europe/Berlin"
    }, {
      "name": "posix",
      "value": ""
    }]
  }, {
    "href": "/api/time-zones/UTC",
    "links": [],
    "data": [{
      "name": "name",
      "value": "UTC"
    }, {
      "name": "posix",
      "value": ""
    }]
  }],
  "links": null
}