editor: setting up neovim again

been using helix for a few years now, but wanted to test the neovim
waters again. mostly just ripped off "neovim for newbs"
https://www.youtube.com/watch?v=zHTeCSVAFNY&list=PLsz00TDipIffreIaUNk64KxTIkQaGguqn

home/private_dot_config/nvim/lua/plugins/neo-tree.lua

@@ -0,0 +1,12 @@
+return {
+  "nvim-neo-tree/neo-tree.nvim",
+  branch = "v3.x",
+  dependencies = {
+    "nvim-lua/plenary.nvim",
+    "nvim-tree/nvim-web-devicons",
+    "MunifTanjim/nui.nvim",
+  },
+  config = function()
+    vim.keymap.set("n", "<leader>e", ":Neotree toggle<CR>", { desc = "toggle file tree" })
+  end,
+}