text: import AppController from './src/appController.js';
  import ConnectionManager from './src/connectionManager.js';
  import DragNDropManager from './src/dragNDropManager.js';
  import ViewManager from './src/viewManager.js';
  
  const API_URL = 'https://localhost:3000';
  
  const appController = new AppController(new ConnectionManager(API_URL), new ViewManager(), new DragNDropManager());
  
  try {
    await appController.initialize();
  } catch (err) {
    console.error(err.message);
  }
  