text: Ext.application({
      requires: ['Ext.container.Viewport'],
      name: 'Web',
      stores: [
          'FileStore'
      ],
  
      appFolder: 'js',
  
      launch: function () {
          Ext.create('Ext.container.Viewport', {
              layout: 'fit',
              items: [{
                  xtype: 'fileview',
              }]
          });
      },
  });