Add post about data statistics in Polars

[ddotta]

Link to suggestion

https://python.plainenglish.io/data-statistics-in-polars-8268be9843c5

Targeted section

Blog posts

Describe your suggestion

• Data Statistics in Polars - A post that explains how to extract insightful information from your data in Polars by Alexandre Petit.

Checklist

• checked if your suggestion is not already listed in Awesome Polars list.
• checked if it can fit in an existed section or suggest a new section and explain why your item does not fit into one and what would be the interest of your new section.
• checked when it's a repository if it's maintained (archived repository will be rejected).