Changing to snapshot version in README.md
Changing to snapshot version in README.md

grainier/siddhi,dilini-muthumala/siddhi,suhothayan/siddhi,lgobinath/siddhi,miyurud/siddhi,codemogroup/siddhi,tishan89/siddhi,ChariniNana/siddhi,slgobinath/siddhi,wso2/siddhi,tishan89/siddhi,ramindu90/siddhi,dilini-muthumala/siddhi,keizer619/siddhi,gokul/siddhi,sajithshn/siddhi,mohanvive/siddhi,b-cuts/siddhi,ChariniNana/siddhi,nadundesilva/siddhi,nirmal070125/siddhi,minudika/siddhi,thiliA/siddhi,rajeev3001/siddhi,sajithshn/siddhi,minudika/siddhi,miyurud/siddhi,sacjaya/siddhi,wso2/siddhi,slgobinath/siddhi,ramindu90/siddhi,gokul/siddhi,mohanvive/siddhi,lgobinath/siddhi,ksdperera/siddhi,nadundesilva/siddhi,suhothayan/siddhi,ksdperera/siddhi,grainier/siddhi,codemogroup/siddhi