curl --request POST \
  --url https://api.sumvin.com/v0/user/connectors/ \
  --header 'Content-Type: application/json' \
  --data '
{
  "connector_id": "<string>",
  "auth_data": {}
}
'

{
  "_links": {},
  "user_connector": {
    "id": "<string>",
    "connector": {
      "id": "<string>",
      "name": "<string>",
      "description": "<string>",
      "icon_url": "<string>",
      "auth_type": "<string>"
    },
    "is_active": true,
    "created_at": 123,
    "updated_at": 123
  }
}