File class

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

File(name, root, host)	A file is either a Blosc2 dataset or a regular file on a root repository.
File.__getitem__(slice_)	Get a slice of the dataset.
File.get_download_url()	Get the download URL for a file.
File.fetch([slice_, prefer_schunk])	Fetch a slice of a dataset.
File.download()	Download a file.
File.vlmeta	Access variable-length metalayers (i.e. user attributes) for a file.