Add store query documentation
Add store query documentation

mohanvive/siddhi,minudika/siddhi,tishan89/siddhi,dilini-muthumala/siddhi,tishan89/siddhi,minudika/siddhi,grainier/siddhi,ksdperera/siddhi,mohanvive/siddhi,wso2/siddhi,gokul/siddhi,ramindu90/siddhi,suhothayan/siddhi,ramindu90/siddhi,grainier/siddhi,wso2/siddhi,ksdperera/siddhi,gokul/siddhi,suhothayan/siddhi,dilini-muthumala/siddhi