Add #reactphp irc channel to README
Add #reactphp irc channel to README

sachintaware/react,cystbear/react,nemurici/react,naroga/react,ericariyanto/react,ympons/react,reactphp/react,FireWalkerX/react,sachintaware/react,dagopoot/react,FireWalkerX/react,ericariyanto/react,cesarmarinhorj/react,naroga/react,cesarmarinhorj/react,krageon/react,ympons/react,nemurici/react,krageon/react,dagopoot/react,cystbear/react