Add User prompt for missing inputs

[achyutkneupane]

This provides option in console to prompt for missing input.

Screenshots:

For Model:

For Model with modelpath

All Submissions:

• Have you followed the guidelines in our Contributing document?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

New Feature Submissions:

1. Does your submission pass tests and did you add any new tests needed for your feature?
2. Did you update all templates (if applicable)?
3. Did you add the relevant documentation (if applicable)?
4. Did you test locally to make sure your feature works as intended?

Changes to Core Features:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your core changes, as applicable?
• Have you successfully ran tests with your changes locally?

[achyutkneupane]

@lrljoe Can you review this?

[lrljoe]

Looks okay to me. Away for a bit but @rappasoft may be able to merge this in and do a release

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[achyutkneupane]

@lrljoe @rappasoft
Any update on this?

[lrljoe]

Apologies, been a bit busy of late! Will look to get this reviewed and merged in this week.