* Add _ to dogfood docs folder to cover against edge case
* Fix edge case with MDX partials when site / content dir contains a _ prefix
* add globUtils tests
* proper dogfooding folder re-organization, all content plugins being used
* refactor dogfooding folder + expose /tests page index
* fix page plugin ignoring options.routeBasePath
* POC: add trailingSlash option
* integrate the preferFoldersOutput option of fork @slorber/static-site-generator-webpack-plugin
* Fix broken links when using trailing slash => using md links is more reliable
* fix TS issue
* minor polish
* fix doc page being sensitive to trailing slashes
* Add tests for applyTrailingSlash
* rename test files
* extract and test applyRouteTrailingSlash
* update snapshot
* add trailing slash config to serve command
* fix getSidebar() => still sensitive to trailing slash setting
* never apply trailing slash to an anchor link
* Add documentation for trailingSlash setting
