message: Logger - example of how to use the logger in a handler
diff: @@ -4,13 +4,13 @@ const app = new Reshuffle();
  const connector = new CronConnector();
  app.register(connector);
  +const logger = app.getLogger()
  // eslint-disable-next-line no-unused-vars
  app.when(connector.on({interval:5000}), (event) => {
  - console.log('Hello World!');
  - console.info('an info');
  - console.warn('a warning');
  - console.error('an error');
  + logger.info('an info');
  + logger.warn('a warning');
  + logger.error('an error');
  throw new Error('error thrown')
  });
  