add undotree

init.lua

@@ -71,6 +71,7 @@ vim.opt.scrolloff = 8
 -- [[ Eric's Custom Keymaps]]
 
 vim.keymap.set('n', '<leader><leader>', '<cmd>Neotree toggle<CR>')
+vim.keymap.set('n', '<leader>u', vim.cmd.UndotreeToggle)
 
 -- [[ Basic Keymaps ]]
 --  See `:help vim.keymap.set()`
@@ -669,7 +670,7 @@ require('lazy').setup({
       -- Load the colorscheme here.
       -- Like many other themes, this one has different styles, and you could load
       -- any other, such as 'tokyonight-storm', 'tokyonight-moon', or 'tokyonight-day'.
-      vim.cmd.colorscheme 'tokyonight-night'
+      vim.cmd.colorscheme 'tokyonight'
 
       -- You can configure highlights by doing something like:
       vim.cmd.hi 'Comment gui=none'

lua/custom/plugins/undotree.lua

@@ -0,0 +1,3 @@
+return {
+  'mbbill/undotree',
+}