themes.json

{
  "xenial" : ["arc-theme", "material-theme", "vertex-theme", "ceti-2-theme", "material-flat-plat-theme"],
  "yakkety" : ["arc-theme", "material-theme", "material-vimix-theme", "material-flat-plat-theme"],
  "zesty" : ["arc-theme", "material-theme", "material-vimix-theme", "material-flat-plat-theme"],
  "artful" : ["arc-theme", "material-theme", "material-vimix-theme", "material-flat-plat-theme"]
}