Converts GIB files used by Tygem to SGF.
$ cargo install --path .
$ gib2sgf /my/sgf/dir
Convert "https://laurenancona.me/eks/zITbvNmLiVHa0l2Z6MHc0/my/sgf/dir/tygem/komula(4D)_zangpung(4D)_202004012236.gib" -> "https://laurenancona.me/eks/zITbvNmLiVHa0l2Z6MHc0/my/sgf/dir/tygem/komula(4D)_zangpung(4D)_202004012236.sgf"
Convert "https://laurenancona.me/eks/zITbvNmLiVHa0l2Z6MHc0/my/sgf/dir/tygem/fingersid(2D)_komula(2D)_202003142229.gib" -> "https://laurenancona.me/eks/zITbvNmLiVHa0l2Z6MHc0/my/sgf/dir/tygem/fingersid(2D)_komula(2D)_202003142229.sgf"
Skip "https://laurenancona.me/eks/zITbvNmLiVHa0l2Z6MHc0/my/sgf/dir/tygem/komula(4D)_ysoo5(4D)_202004142142.gib" -> "https://laurenancona.me/eks/zITbvNmLiVHa0l2Z6MHc0/my/sgf/dir/tygem/komula(4D)_ysoo5(4D)_202004142142.sgf"
