Add @store to the docs
Add @store to the docs

Fix issue https://github.com/siddhi-io/siddhi/issues/732

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