Override current implementation to introduce the SkipFile value

CustomEntrySorter.cs

public class CustomEntrySorter : EntrySorter
{
	private bool SkipFile { get; set; }

	public CustomEntrySorter(ISource<PackageEntry> baseSource, bool skipFile = false) : base(baseSource)
	{
		this.SkipFile = skipFile;
	}

	public override void Put(PackageEntry entry)
	{
		if(this.SkipFile && entry.Properties.ContainsKey("type") && entry.Properties["type"].Equals("file"))
		{
			Log.Info($"Skipping file {entry.Key}", this);

			return;
		}

		base.Put(entry);
	}
}