vim-patch:229f79c: runtime(yaml): fix wrong order of undo_ftplugin suboptions

This commit fixes the following error message:
```
Compiler not supported: make inc< sw< sts<
```

1. orginal value: `setl com< cms< et< fo<| compiler make inc< sw< sts<`
2. correct value: `setl com< cms< et< fo< inc< sw< sts< | compiler make`

While at it, let's also document the g:yaml_recommended_style variable.

closes: vim/vim#17179

229f79c168

Co-authored-by: Vincent Law <vlaw@users.noreply.github.com>
Co-authored-by: Christian Brabandt <cb@256bit.org>

runtime/doc/filetype.txt

@@ -1129,6 +1129,13 @@ functions with [[ and ]].  Move around comments with ]" and [".
 The mappings can be disabled with: >
 	let g:no_vim_maps = 1
 
+YAML							*ft-yaml-plugin*
+By default, the YAML filetype plugin enables the following options: >
+	setlocal shiftwidth=2 softtabstop=2
+
+To disable this, set the following variable: >
+	let g:yaml_recommended_style = 0
+
 
 ZIG							*ft-zig-plugin*