Add a new process step

curl --request POST \
  --url https://jobaffinity.fr/restapi/v1/step \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "application": "<string>",
  "step": "<string>"
}
'

{
  "_status": "OK",
  "_actions": [
    {}
  ]
}