support dynamic toggling between dark/light theme via darkman

dot_config/nvim/init.lua

@@ -76,7 +76,6 @@ vim.opt.mouse = "a"
 
 -- Colorscheme
 vim.opt.termguicolors = true
-vim.o.background = "light"
 vim.g.gruvbox_contrast_light = "medium"
 vim.g.gruvbox_italicize_comments = 0
 vim.cmd([[colorscheme gruvbox]])