Issue Description: We have to store in the database the connectors details provided by the user

Acceptance Criteria: A new table Connector_V2 is added with the proper schema. A new DAO is added and properly tested. 

Out of Scope: <Here you need to fill in what is out of scope for this issue and then create new issues if necessary in the backlog for the work>

Additional Information: <Add any additional information here that may be helpful to people reading the ticket>