DOC: Using np.histogram_bin_edges with pd.cut
- [x] closes #59165 
- [x] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit).

As per reviews on #https://github.com/pandas-dev/pandas/pull/59241, adding documentation support for using np.histogram_bin_edges with pd.cut to allow bins calculation with strings. 
@asishm Addressed your comments!  Thanks @chaarvii 