Create README.md
added notice
added new supported operations
added metadata engine
old interface
new interface refactor
imports fixed
storage and metadata engine updated to the meta interface
query engine updated to the new design
implementing basic queries
add method  isCalatolgMandatory in connector Helper
added new search features
merge fixed
extends the new abstract class
helper updated
helper moved to new package
helper moved to new package
helper moved to new package
MongoConnector updated to extend CommonConnector
refactor to support options