text: const keystone = require('keystone');
  
  const { Types } = keystone.Field;
  
  const Banner = new keystone.List('Banner', {
      map: { name: 'key' },
      nocreate: true,
      nodelete: true,
  });
  
  Banner.add({
      key: { type: Types.Text, value: 'Banner', noedit: true },
      Título: { type: Types.Text, required: true, initial: true, index: true },
      Descrição: { type: Types.Textarea, required: true, initial: true, index: true, max:200 , heigth: 50 },
      DataEvento: { type: Types.Datetime, isRequired: true, initial: true, index: true, default: Date.now },
  });
  
  Banner.register();