readAsArrayBuffer to Buffer to Infura to IPFS

        https://github.com/ipfs/interface-js-ipfs-core/blob/master/SPEC/FILES.md#add
        https://ipfs.infura.io:5001/api/v0/cat?arg=Qmar4Wa5UvbSd7PN7HxKfQNAnUaXM7XohNKtYLskJp5yAM