[Lug-nuts] convert lvm to btrfs

I was thinking that this is probably possible and I searched the interweb to find this article. Convert your filesystem to Btrfs https://fedoramagazine.org/convert-your-filesystem-to-btrfs/ -- Brian Lavender https://www.brie.com/brian/ "There are two ways of constructing a software design. One way is to make it so simple that there are obviously no deficiencies. And the other way is to make it so complicated that there are no obvious deficiencies." Professor C. A. R. Hoare The 1980 Turing award lecture