nvim-config/after/plugin/nvim-tree.lua

local installed, nvim_tree = pcall(require, "nvim-tree")
if installed then
  vim.g.loaded_netrw = 1
  vim.g.loaded_netrwPlugin = 1
  nvim_tree.setup({
    sort_by = "case_sensitive",
    disable_netrw = true,
    view = {
      adaptive_size = true,
      mappings = {
        list = {
          { key = "u", action = "dir_up" },
        },
      },
    },
    renderer = {
      highlight_git = true,
      group_empty = true,
    },
    filters = {
      dotfiles = false,
    },
  })

  vim.api.nvim_set_keymap(
    "n",
    "<leader>m",
    [[<cmd>lua require('nvim-tree').toggle()<cr>]],
    { noremap = true, silent = true }
  )
end