Add blog post by Thepycoach

[ddotta]

Link to suggestion

https://artificialcorner.com/polars-the-super-fast-dataframe-library-for-python-goodbye-pandas-85156e84337f

Targeted section

Require a new section (please describe below)

Describe your suggestion

A short blog post (introduction) about Polars

Checklist

• [X] checked if your suggestion is not already listed in Awesome Polars list.
• [X] 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.
• [X] checked when it's a repository if it's maintained (archived repository will be rejected).