Get API index

curl --request GET \
  --url https://jobaffinity.fr/restapi/v1/ \
  --header 'Authorization: Basic <encoded-value>'

{
  "_status": "OK",
  "_version": "1.12",
  "_expiration": "<string>",
  "_last_version_url": "<string>",
  "_self": "<string>",
  "_changelog": {
    "_self": "<string>"
  },
  "candidates": {
    "_self": "<string>",
    "description": "<string>"
  },
  "jobs": {
    "_self": "<string>",
    "description": "<string>"
  },
  "steps": {
    "_self": "<string>",
    "description": "<string>"
  }
}