feat(ui/ux): Added the Scroll to top button - UX enhancement#553

Shubhashish-Chakraborty wants to merge 2 commits intosugarlabs:mainsugarlabs/www-v2:mainfrom

Shubhashish-Chakraborty:feat/scroll-to-topShubhashish-Chakraborty/www-v2:feat/scroll-to-topCopy head branch name to clipboard