* Add a changelogs page.
* Fix local search highlight colors.
* Make changelog headers a link.
* Replace GitHub links with local ones.
* Fix missing `Badge` component.
* Show release contributors.
* Add missing flex-wrap to mobile devices.
* Add missing `alt` attribute to the avatar.
* Use `@theme` alias while importing components from the theme.
* Minor design tweaks to the extensions items.
* Show contributors on WhatsNew component as well.
* Fix extensions page not centered.
* Show sidebar on the changelogs page.
* Fix missing link replacements.
* Add missing unmentioned credits.
