Added new hook info to README
Added new hook info to README

tdeekens/DOMPurify,Joris-van-der-Wel/DOMPurify,neilj/DOMPurify,tdeekens/DOMPurify,voku/DOMPurify,togusafish/t-ashula-_-DOMPurify,kwangkim/DOMPurify,Joris-van-der-Wel/DOMPurify,tdeekens/DOMPurify,neilj/DOMPurify,togusafish/t-ashula-_-DOMPurify,ConradIrwin/DOMPurify,ConradIrwin/DOMPurify,kwangkim/DOMPurify,voku/DOMPurify,Joris-van-der-Wel/DOMPurify,neilj/DOMPurify