nvim-config/lua/custom/plugins/filetree.lua

-- Unless you are still migrating, remove the deprecated commands from v1.x
vim.cmd [[ let g:neo_tree_remove_legacy_commands = 1 ]]

-- Open nvim-neo-tree window
vim.keymap.set({ 'n', 'v' }, '<leader>f', ':Neotree toggle<enter>', { desc = 'Explore [F]ile Tree' })

return {
  'nvim-neo-tree/neo-tree.nvim',
  version = '*',
  dependencies = {
    'nvim-lua/plenary.nvim',
    'nvim-tree/nvim-web-devicons', -- not strictly required, but recommended
    'MunifTanjim/nui.nvim',
  },
  config = function()
    require('neo-tree').setup {}
  end,
}