Did some formatting corrections to siddhi-4.0.md.
Did some formatting corrections to siddhi-4.0.md.

ksdperera/siddhi,sajithshn/siddhi,gokul/siddhi,grainier/siddhi,codemogroup/siddhi,tishan89/siddhi,ChariniNana/siddhi,suhothayan/siddhi,minudika/siddhi,ramindu90/siddhi,wso2/siddhi,miyurud/siddhi,ChariniNana/siddhi,dilini-muthumala/siddhi,gokul/siddhi,ramindu90/siddhi,dilini-muthumala/siddhi,nadundesilva/siddhi,slgobinath/siddhi,miyurud/siddhi,tishan89/siddhi,mohanvive/siddhi,codemogroup/siddhi,ksdperera/siddhi,grainier/siddhi,nadundesilva/siddhi,sajithshn/siddhi,slgobinath/siddhi,mohanvive/siddhi,suhothayan/siddhi,wso2/siddhi,minudika/siddhi