Package disk provides an FS that wraps the johnsiilver/fs/os package to be used for a disk cache that expires files.

Package groupcache is an fs.FS wrapper for caching purposes built around Brad Fitzpatrick's groupcache.

Package redis provides an io/fs.FS implementation that can be used in our cache.FS package.

New is the constructor for FS.

FS implemenents io/fs.FS to provide a cache reader and writer.

CacheFS represents some cache that we can read and write files from.

SetFiller provides a function for setting a jsfs.Writer implementaiton that does cache fills on misses.