nvim-config/lua/plugins/neotree.lua

return {
    "nvim-neo-tree/neo-tree.nvim",
    branch = "v3.x",
    dependencies = {
      "nvim-lua/plenary.nvim",
      "MunifTanjim/nui.nvim",
      "nvim-tree/nvim-web-devicons", -- optional, but recommended
    },
    lazy = false, -- neo-tree will lazily load itself
    config = function()
	vim.keymap.set("n", "<c-b>", "<Cmd>Neotree toggle<CR>")
    end
  }