Need warning when navigating away from New Rounds page

[MichaelNMaggs]

If the user navigates away from the New Rounds page while a round is being set up, everything is lost and the round has to be re-created from scratch. A warning is needed if that's going to happen.

[Sanika123-art]

Hi,sanika palav. I have set up Montage locally and noticed this issue is still open. I’d like to work on adding a warning when navigating away from the New Rounds page if there are unsaved changes. Please let me know if this issue is still available to work on