Add jump to the specified page

[winvictorty]

Navigate to a specified page by entering the page number.

[github-actions]

Thank you for making this pull request.

Did you know? You can try it on Binder: .

Also, the version of ITables developed in this PR can be installed with pip:

pip install git+https://github.com/winvictorty/itables.git@main

(this requires nodejs, see more at Developing ITables)

[winvictorty]

this is results