New review comment by classabbyamp on void-packages repository

https://github.com/void-linux/void-packages/pull/38813#discussion_r950909796

Comment:
```suggestion
post_install() {
	vdoc unused_deps/README.md unused_deps.md
	vdoc buildifier/README.md buildifier.md
	vdoc buildozer/README.md buildozer.md
	vdoc WARNINGS.md
}
```