Debug flow

Testing https://github.com/microsoft/vscode-python/issues/18092

• Open https://github.com/microsoft/vscode-remote-try-python with GitHub Repositories in VS Code desktop
• Go to Run and Debug
• If I was new to this flow, I'd want to and wonder how to run my app
  • I think a user would need to continue locally?
  • Could we indicate this in the message and perhaps guide users there via messaging/a button (i.e. to "Continue Working on" locally), rather than saying it's not supported in the current environment and prompting to open the launch.json?

@joyceerhl @karrtikr @kimadeline Although the test plan item came from the vscode-python repo, I thought this flow may be part of GitHub Repositories and/or debugging overall, so filing here. Please let me know if I should file elsewhere or it's already being tracked/considered. Thank you!