Itables

**Fixed**
- We have reimplemented the function that encodes the Pandas dataframes to JSON
to avoid triggering FutureWarnings when using `pandas>=1.5` ([107](https://github.com/mwouts/itables/issues/107)).

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**Added**
- The `show` method has a new `css` argument (defaults to `itables.options.css`) ([104](https://github.com/mwouts/itables/issues/104)).

**Changed**
- The order of rows is preserved by default (unless you explicitly pass an `order` parameter) ([99](https://github.com/mwouts/itables/issues/99)).

**Fixed**
- Nullable types (bool, int) are now supported ([98](https://github.com/mwouts/itables/issues/98))

**Added**
- New `to_html_datatable` function to export a DataFrame to an HTML div (88)
- We have added examples on how to use `itables` in [Shiny](https://shiny.rstudio.com/py/) for Python (#86)

**Fixed**
- Tables with duplicated column names are now supported, thanks to Antonio Commisso's fix ([89](https://github.com/mwouts/itables/issues/89))

**Changed**
- Tables with many rows are preferentially downsampled on rows, while tables with many columns are preferentially downsampled on columns ([84](https://github.com/mwouts/jupytext/issues/84))