Add dufs to arkade get

[tuxtof]

Dufs is a file server that supports static serving, uploading, searching, accessing control, webdav

Expected Behaviour

arkade get dufs installs dufs.

Current Behaviour

Not implemented.

Possible Solution

Add dufs as an installable cli tool.

If requesting a CLI for "arkade get"

How many downloads does this tool have? Check at:

Total Downloads= 30,638

https://somsubhra.github.io/github-release-stats/?username=sigoden&repository=dufs&page=1&per_page=5

If approved, are you willing to submit a pull request for this?

YES