/**
 * Main entry point of the application
 */
function main() {
  var logger = new Logger();
  var config = new Config();
  
  logger.info('Application started');
  
  // Do something with the config
  var apiUrl = config.getApiUrl();
  logger.info(`API URL: ${apiUrl}`);
  
  // Do something with the logger
  logger.debug('Debug message');
  logger.error('Error message');
}