Can you add a Custom Login URL to the Studio?

{
  "providers": {
    "mode": "replace",
    "redirectOnSingle": true,
    "entries": [
      {
        "name": "custom-login",
        "title": "Custom login",
        "url": "<http://localhost:3000/api/auth/login>",
        "logo": "static/custom-logo.svg"
      }
    ]
  }
}