Get appearance

curl --request GET \
  --url https://cloud.local.wirtual.dev/api/v2/appearance \
  --header 'Wirtual-Session-Token: <api-key>'

{
  "announcement_banners": [
    {
      "background_color": "<string>",
      "enabled": true,
      "message": "<string>"
    }
  ],
  "application_name": "<string>",
  "docs_url": "<string>",
  "logo_url": "<string>",
  "service_banner": {
    "background_color": "<string>",
    "enabled": true,
    "message": "<string>"
  },
  "support_links": [
    {
      "icon": "bug",
      "name": "<string>",
      "target": "<string>"
    }
  ]
}