curl --request POST \
  --url https://api.example.com/api/onboarding/finalize \
  --header 'Content-Type: application/json' \
  --data '
{
  "templateKey": "<string>"
}
'

{
  "project": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "name": "<string>",
    "key": "<string>",
    "organisationId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "createdAt": "<string>",
    "updatedAt": "<string>"
  },
  "document": {
    "id": 123,
    "key": "<string>",
    "name": "<string>",
    "path": "<string>",
    "contentType": "<string>",
    "type": "<string>"
  }
}