docs(headless): release headless typedoc site as an artifact

[alexprudhomme]

https://coveord.atlassian.net/browse/KIT-3423

See the github action to download it in the doc repo - > https://github.com/coveo/doc_jekyll-public-site/pull/12275

tested here as a similar repo to ui-kit (public repo): https://github.com/shutter-org/artifact-giver

tested here as a similar repo to docs jekyll getting the artifact from a public repo: https://github.com/shutter-org/artifact-receiver

[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	242.6	242.6	0
commerce	347.3	347.3	0
search	413.8	413.8	0
insight	404.9	404.9	0
recommendation	254.9	254.9	0
ssr	407.3	407.3	0
ssr-commerce	362.3	362.3	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

[fpbrault]

lgtm