nvim-lua.kickstart.nvim/lua/plugins/oil.lua

return {
  { -- File system editor and explorer
    'stevearc/oil.nvim',
    opts = {
      view_options = {
        show_hidden = true,
      },
    },
    -- Optional dependencies
    dependencies = { { 'echasnovski/mini.icons', opts = {} } },
    vim.keymap.set('n', '-', '<CMD>Oil<CR>', { desc = 'Open parent directory' }),
  },
}