docs: Random bug fixes and improvements (#9235)
* Add TabLinks to generated example code
* Open search menu to components from home page
* Scroll current page into view
* Click logo on mobile to go to homepage
* Add links to examples to homepage
* Fix code font size on mobile
* Fix example app code rendering
* Update Autocomplete description
* Make Menu starter API mirror RAC API
* Make grid sizing properties use touch scaling
* Correct copy on getting started page
* Fix toc shifting when scrolling to the bottom
* Align markdown menu to the end
* Fix article resizing
