added markDown Feature
- [ ] closes #60004 ? (Replace xxxx with the GitHub issue number)
- [ ] [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
    - I'm not sure if you have how you implement into the code base so I just gave use case examples  
- [ ] 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.
- [ ] Added an entry in the latest `doc/source/whatsnew/vX.X.X.rst` file if fixing a bug or adding a new feature.

I am new to adding features and working with anything this extensive. I didn't realize to_markdown() was a function so I made my own. It also doesn't require tabulate and is around 40% fasters in my tests. Looking forward to any feedback. 

Thank you that makes total sense to me. Appreciate the feedback and prompt reply. 