theres still more to do

lua/setuptree.lua

@@ -0,0 +1,21 @@
+-- disable netrw at the very start of your init.lua
+vim.g.loaded_netrw = 1
+vim.g.loaded_netrwPlugin = 1
+
+-- optionally enable 24-bit colour
+vim.opt.termguicolors = true
+
+local function myOnAttach(bufnr)
+    local api = require("nvim-tree.api")
+    
+    local function opts(desc)
+      return { desc = "nvim-tree: " .. desc, buffer = bufnr, noremap = true, silent = true, nowait = true }
+    end
+    -- defaults
+    api.config.mappings.default_on_attach(bufnr)
+    vim.keymap.set("n", "<C-t>", api.tree.close, opts("close tree with ctrl+t"))
+end
+-- OR setup with some options
+require("nvim-tree").setup({
+    on_attach = myOnAttach,
+})