enabling spell check in zen mode

nvim/lua/plugins-conf.lua

@@ -191,9 +191,11 @@ require('true-zen').setup {
       callbacks = {
         open_pre = function()
           vim.opt.linebreak = true
+          vim.opt.spell = true
         end,
         close_post = function()
           vim.opt.linebreak = false
+          vim.opt.spell = false
         end
       }
     }