Add note to README about smokesignals.js
Add note to README about smokesignals.js

em55/webapps-hangonman,wuhengzhi/webapps-hangonman,01org/webapps-hangonman,solankepl/webapps-hangonman,solankepl/webapps-hangonman,wuhengzhi/webapps-hangonman,em55/webapps-hangonman,01org/webapps-hangonman