docs(headless-react): more facet docs

[jpmarceau]

https://coveord.atlassian.net/browse/DOC-16501

We were missing documentation for location facets and for facet attributes coming from CoreCommerceFacets.
E.g.,

vs

and

[github-actions]

Pull Request Report

PR Title

✅ Title follows the conventional commit spec.

Live demo links

• Storybook

• Playwright report

Bundle Size

File	Old (kb)	New (kb)	Change (%)
case-assist	244	244	0
commerce	355.3	355.3	0
search	415.2	415.2	0
insight	406.4	406.4	0
recommendation	256.2	256.2	0
ssr	409	409	0
ssr-commerce	373	373	0

SSR Progress

Use case	SSR (#)	CSR (#)	Progress (%)
search	39	44	89
recommendation	0	4	0
case-assist	0	6	0
insight	0	27	0
commerce	0	15	0

Detailed logs

search : buildInteractiveResult
search : buildInteractiveInstantResult
search : buildInteractiveRecentResult
search : buildInteractiveCitation
search : buildGeneratedAnswer
recommendation : missing SSR support
case-assist : missing SSR support
insight : missing SSR support
commerce : missing SSR support