DOC: add 'Try Pandas Online' section to the 'Getting Started' page
- [x] closes #61060 
- [ ] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [x] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit).
- [ ] Added [type annotations](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#type-hints) to new arguments/methods/functions.
- [x] Added an entry in the latest `doc/source/whatsnew/v2.3.2.rst` file if fixing a bug or adding a new feature.

Thanks for the pull request, but I think this is being worked on as apart of https://github.com/pandas-dev/pandas/pull/61061 so closing since that contributor also added this module to link to our docs. Happy to have your contribution on other un-assigned issues