add some basic contribution guidelines [ci skip]
add some basic contribution guidelines
[ci skip]

kormat/kazoo,rockerbox/kazoo,Asana/kazoo,jacksontj/kazoo,bsanders/kazoo,harlowja/kazoo,bsanders/kazoo,jacksontj/kazoo,harlowja/kazoo,python-zk/kazoo,python-zk/kazoo,tempbottle/kazoo,max0d41/kazoo,kormat/kazoo,rgs1/kazoo,AlexanderplUs/kazoo,rackerlabs/kazoo,max0d41/kazoo,pombredanne/kazoo,pombredanne/kazoo,rackerlabs/kazoo,rgs1/kazoo,AlexanderplUs/kazoo,rockerbox/kazoo,tempbottle/kazoo