* adding classes according to bootstrap 5 tabs
* adding JS for tabs handeling in BS5
* adding styling for tabs to match the redesign styling
* making sure tabs are being highlighted when active
* adding a scroll-margin-top to have some extra space
* removing extra import, it is not needed here because we already import it in bootstrap-x.js files
* using the media-breakpoint-down for a media query styling
* introducing .nav-tabs-container to make the tab triggers horizontally scrollable
* creating a mixin box-shadow-button-input under scss for bootstrap-5
* moving border-width-base to tabs.scss
* aligning tabs to the left under screen size of 768px
* removing focus-style mixin from scss files becuase it was a duplicate
GitOrigin-RevId: 45780c62681fc9b61961f5436d2d55de66a976b6
* Load correct JS for the active Bootstrap version
* Tidy up bootstrapVersion declaration
* Add Bootstrap JS to website redesign layout
* FIx error on interstitial subscriptions page
* Remove unnecessary import of jQuery and Bootstrap
* Use global entrypointScripts in bootstrap-js mixin
GitOrigin-RevId: 6b1977354a72dc69008fc0d2e3baec2f28d97f6b