Use lua gruvbox extension

.config/nvim/lua/sheldonmlee/packer.lua

@@ -9,16 +9,7 @@ return require('packer').startup(function(use)
 
 	use 'junegunn/fzf.vim'
 
-	use {
+	use { "ellisonleao/gruvbox.nvim" }
-		'morhetz/gruvbox',
-		-- below adapted from old the old vimconfig commands:
-		-- set termguicolors
-		-- autocmd vimenter * ++nested colorscheme gruvbox
-		config = function()
-			vim.cmd('set termguicolors')
-			vim.cmd('autocmd vimenter * ++nested colorscheme gruvbox')
-		end
-	}
 
 	use ('nvim-treesitter/nvim-treesitter', { run = ':TSUpdate' })
 

.config/nvim/lua/sheldonmlee/set.lua

@@ -2,6 +2,8 @@ vim.opt.number = true
 vim.opt.relativenumber = true
 
 vim.cmd.syntax("enable")
+vim.o.background = "dark"
+vim.cmd([[colorscheme gruvbox]])
 
 vim.opt.smartindent = true
 vim.opt.tabstop = 4