Get dWebFS network speeds (download/upload speeds).
npm install dwebfs-network-speed 
Get upload and download speeds for a dwebfs archive.
``js
var archive = dwebfs('.dweb')
var swarm = dweb-discovery(archive)
var speed = networkSpeed(archive, {timeout: 1000})
setInterval(function () {
console.log('upload speed: ', speed.uploadSpeed)
console.log('download speed: ', speed.downloadSpeed)
}, 500)
`
* archive is a dwebfs archive.opts.timeout
* is the only option. Speed will be reset to zero after the timeout.
#### speed.uploadSpeed
Archive upload speed across all peers.
#### speed.downloadSpeed
Archive download speed across all peers.
#### speed.downloadTotal
Archive total download.
#### speed.uploadTotal`
Archive total upload.
MIT