text: var Logger = require('./Logger');
  var Shopper = require('./Shopper');
  var Store = require('./Store');
  
  var logger = new Logger().getInstance();
  
  logger.log('starting app...');
  
  var alex = new Shopper('alex', 500);
  var ski_shop = new Store('Steep and Deep Supplies', [
    {
      item: 'Downhill Skis',
      qty: 5,
      price: 750
    },
    {
      item: 'Knit Hat',
      qty: 20,
      price: 5
    }
  ]);
  
  logger.log('finished config...');
  
  console.log(`${logger.count} logs total`);
  logger.logs.map(log => console.log(`   ${log.message}`));
  