Neo-tree file nesting [nvim-0001]

:help neo-tree-file-nesting
nesting_rules = {
  ["forester"] = {
    pattern = "(.*)-0001%.tree$",
    files = { "%1-*.tree" },
  },
},
hls-0001.tree
    hls-0002.tree
    hls-0003.tree
    hls-0004.tree

TREENAME-0001.tree
    TREENAME-0002.tree
    TREENAME-0003.tree
    ...