docs: Add desc to autocmds

lua/config/autocmds.lua

@@ -1,10 +1,10 @@
--- Open help window in a vsplit to the right.
 vim.api.nvim_create_autocmd('BufWinEnter', {
+  desc = 'Open help files in vertical split to the right',
   group = vim.api.nvim_create_augroup('help_window_right', {}),
   pattern = { '*.txt' },
   callback = function()
     if vim.o.filetype == 'help' then
-      vim.cmd.wincmd 'L'
+      vim.cmd.wincmd('L')
     end
   end,
 })