Submitting Varuna Connector for Certification (Non-Microsoft Publisher) (#1523)

* Submitting Varuna Connector for Certification

* Submitting Varuna Connector for Certification ,newlines added  to EOFs

* Update apiProperties.json

* Update apiDefinition.swagger.json

empty schemas filled

* Deployment Instructions and Known Issues and Limitations sections added added to the README.md

* Default responses dropped

Author: mertcdnmz