feat: enable terminal transparency

I prefer it for some reason.

init.lua

@@ -825,7 +825,12 @@ require('lazy').setup({
       vim.cmd.colorscheme 'ofirkai'
 
       -- You can configure highlights by doing something like:
+      -- Enable terminal transparency.
       vim.cmd.hi 'Comment gui=none'
+      vim.cmd.hi 'Normal guibg=none'
+      vim.cmd.hi 'NonText guibg=none'
+      vim.cmd.hi 'Normal ctermbg=none'
+      vim.cmd.hi 'NonText ctermbg=none'
     end,
   },