docs: Homepage updates and fixes (#9344)
* Replace process.env.DOCS_ENV in build
* Fix Image objectFit and objectPosition styles with picture wrapper
* A few tailwind example app fixes
* Fix copying folded code
* Fix header flickering during toast view transition
* Preload card images when hovering tag in search menu
* Merge internationalized into React Aria in search
* Update home page headers
* Update logo
* Fix DOCS_ENV in development
* Fix typescript
* lint
* Fix internationalized nav
* Fix skeleton showing when clicking links on home page
* Order guides above interactions in nav
* Make home page header line up with other pages
* Fix some tailwind css conflicts between home page and other pages
* Adjust size of logos in mobile search menu
* Fix library in AI prompt
* Sort getting started to the top
* Slight improvements
* Re-title internationalized intro pages
* Updates for testing
* Improve background on mobile
* Fix focus ring on component links
* Update logo and favicon
* Delay pre-fetching until after view transitions
* Fix colors
* Update video
* Update react aria open graph image
