* attempt to fix contentTitle issues when markdown h1 title contains inline code blocks
* mention hide_title frontmatter only prevents frontmatter.title from being added in the dom (not a markdown # title in content)
* alwayss insert MainHeading under the div.markdown container for consistency
* ensure MainHeading has no useless id
* revert https://github.com/facebook/docusaurus/pull/4859 as it's now useless: docMeta.title contains the text/frontmatter title in priority over the contentTitle
* fix docs test after revert
* improve markdownParser and fix tests
* fix docs tests
* markdownParser: restore option to remove contentTitle (mostly for blog plugin)
* use removeContentTitle for blog
* POC of contextual search dynamic filters
* fix useSearchTags bugs
* contextual search should use preferred version (persisted in storage)
* Contextual search: make system decoupled from algolia + wire proper meta tags and facet filters
* rework doc tag + minor refactorings
* update snapshots
* polish contextual search
* add Algolia validateThemeConfig tests
* We should create an alias for searching last version of docs on DocSearch/Algolia, so that on new version publish, search still works even if new version is not already indexed (https://github.com/facebook/docusaurus/issues/3391)
* commit missing snapshot
* update after algolia changes
* put back facetFilters: [`version:${versions[0]}`] until latest facet is indexed
* add new docs versioning options
* Add some tests for new versioning options
* Add some docs for version configurations
* try to fix broken link detection after /docs/ root paths have been removed on deploy previews
* improve dev/deploypreview versioning configurations
* disable custom current version path, as it produces broken links
* readVersionDocs should not be order sensitive
* fix versions page according to versioning config
* fix versions page according to versioning config
