enable colorcolumn at 80 characters

nvim/.config/nvim/init.lua

@@ -68,6 +68,7 @@ vim.cmd [=[
 ]=]
 
 vim.opt.completeopt = { 'menu', 'popup', 'preview', 'fuzzy' }
+vim.opt.colorcolumn = {"80"}
 
 vim.keymap.set('n', ',cf', function()
     local qf = vim.fn.getqflist()

vim/.vimrc

@@ -1,6 +1,6 @@
 set termguicolors
 set background=dark
-colorscheme quiet
+colorscheme unokai
 nnoremap ,rc :source $MYVIMRC<CR>
 
 let g:rustfmt_autosave = 0