message: Added health-check in JSon server
diff: @@ -85,6 +85,8 @@ export default class JsonCentralSystemServer extends CentralSystemServer {
  await wsConnection.onPong(ocppMessage);
  }
  }
  + }).any('/health-check', (res, req) => {
  + res.end('OK');
  }).listen(this.centralSystemConfig.port, (token) => {
  if (token) {
  this.isDebug() && Logging.logConsoleDebug(`${ServerType.JSON_SERVER} Server listening on 'http://${this.centralSystemConfig.host}:${this.centralSystemConfig.port}'`);
  