Guess Indent doesn't load

Using the `init.lua` in the repo, guess-indent.nvim doesn't load.

I had to supply `opts = {}`, so it would load the `setup()`, and it would work:

```
	-- {{{ [[ Guess Indent ]]
	{
		"NMAC427/guess-indent.nvim",
		opts = {},
	},
	-- }}}
```