File class

A file is either a Blosc2 dataset or a regular file on a root repository.

File.__init__(root, path)	Represents a file, which can be a Blosc2 dataset or a regular file on a root repository.
File.__getitem__(item)	Retrieves a slice of the dataset.
File.get_download_url()	Retrieves the download URL for the file.
File.download([localpath])	Downloads the file to storage.
File.remove()	Removes the file from the remote repository.
File.move(dst)	Moves the file to a new location.
File.copy(dst)	Copies the file to a new location.
File.vlmeta	Returns a mapping of metalayer names to their respective values.