curl --request POST \
  --url http://localhost:8080/api/settings/github \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "app_id": 123,
  "webhook_secret": "<string>",
  "pem_content": "<string>"
}
'

{
  "configured": true,
  "pem_uploaded": true,
  "app_id": 123
}