docs: add tracelane and peek to "Who's using rrweb?"#1856

harry-harish wants to merge 3 commits into

rrweb-io:mainrrweb-io/rrweb:mainfrom

harry-harish:docs/whos-using-tracelane-peekharry-harish/rrweb:docs/whos-using-tracelane-peekCopy head branch name to clipboard