configureDataSource.swift

func configureDataSource() -> DataSoure {
	let dataSource = DataSource(collectionView: collectionView) { collectionView, indexPath, video -> UICollectionViewCell? in
    let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "VideoCollectionViewCell", for: indexPath) as? VideoCollectionViewCell
    cell?.video = video
    return cell
  }
  return dataSource
}