**Is your feature request related to a problem? Please describe.** Currently if you encounter an error due to os permission, if make the whole walk stop. ``` error: Uncaught (in promise) PermissionDenied: Permission denied (os error 13): readdir '/snap/core20/2379/etc/ssl/private' for await (const entry of Deno.readDir(root)) { ``` An option to "skip" permission denied files would be nice **Describe the solution you'd like** A new option **Describe alternatives you've considered**