GH-28 Refactor code to add setting fields from an array

[sudhir-yadav]

This PR refactors the current settings to a single array of fields in one setting.

[pradeep910]

@hbhalodia Rechecking this, is the changes relevant and settings work with all our features or we can archive this?

[hbhalodia]

@hbhalodia Rechecking this, is the changes relevant and settings work with all our features or we can archive this?

Hi @pradeep910, I guess this are still relevant, and can be updated, but need to make sure it account backward compatibility. We can assign to someone which can take up this PR or create a new one for Issue - #28