Add response previewer for text/csv

[ashitaprasad]

Tell us about the task you want to perform and are unable to do so because the feature is not available

Users should be able to see rendered table in response preview.

[tejas-raskar]

Hey @ashitaprasad!
I would like to work on this issue

[ashitaprasad]

Sure @tejas-raskar, you can send across a PR so that we can discuss on it further.

[Mj9909]

Hey @ashitaprasad I want to work on this issue

[ashitaprasad]

Sure @Mj9909, you can work across the issue and send across a PR.