fix: add empty opts to guess-indent plugin to ensure setup() is called

The plugin requires opts to be defined to run its setup function which
creates the :GuessIndent command and autocommands.

init.lua

@@ -247,7 +247,7 @@ rtp:prepend(lazypath)
 -- NOTE: Here is where you install your plugins.
 require('lazy').setup({
   -- NOTE: Plugins can be added with a link (or for a github repo: 'owner/repo' link).
-  'NMAC427/guess-indent.nvim', -- Detect tabstop and shiftwidth automatically
+  { 'NMAC427/guess-indent.nvim', opts = {} }, -- Detect tabstop and shiftwidth automatically
 
   -- NOTE: Plugins can also be added by using a table,
   -- with the first argument being the link and the following