Create the agent's OAuth2 client

curl --request POST \
  --url https://api.relayapp.im/v1/oauth2_client \
  --header 'Authorization: Bearer <token>'

{
  "client": {
    "client_id": "<string>",
    "redirect_uris": [
      "<string>"
    ],
    "scopes": [
      "openid"
    ],
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  },
  "client_secret": "<string>"
}

{
  "error": {
    "status": 123,
    "code": 123,
    "message": "<string>",
    "doc_url": "<string>",
    "retry_after": 123
  },
  "success": true,
  "trace_id": "<string>"
}

{
  "error": {
    "status": 123,
    "code": 123,
    "message": "<string>",
    "doc_url": "<string>",
    "retry_after": 123
  },
  "success": true,
  "trace_id": "<string>"
}

{
  "error": {
    "status": 123,
    "code": 123,
    "message": "<string>",
    "doc_url": "<string>",
    "retry_after": 123
  },
  "success": true,
  "trace_id": "<string>"
}

{
  "error": {
    "status": 123,
    "code": 123,
    "message": "<string>",
    "doc_url": "<string>",
    "retry_after": 123
  },
  "success": true,
  "trace_id": "<string>"
}

{
  "error": {
    "status": 123,
    "code": 123,
    "message": "<string>",
    "doc_url": "<string>",
    "retry_after": 123
  },
  "success": true,
  "trace_id": "<string>"
}