message: Fixed typo in OAS file
diff: "vendorId": {
  "type": "string",
  "description": "Mandatory. Vendor of the charging station.",
  - "example": []
  + "example": ""
  },
  "messageId": {
  "type": "string",
  "description": "Optional. Message to send.",
  - "example": []
  + "example": ""
  },
  "data": {
  "type": "string",
  "description": "Optional. Data to send.",
  - "example": []
  + "example": ""
  }
  }
  }
  