Merge pull request #356 from ddotta:ddotta/issue352

Add polars-distance plugin

README.md

@@ -78,6 +78,7 @@ To learn to write, see [this great tutorial](https://marcogorelli.github.io/pola
 - [life_polars_plugin](https://github.com/condekind/life_polars_plugin) - Polars plugin to showcase some features of the plugin system by [@condekind](https://github.com/condekind).
 - [polars-url](https://github.com/condekind/polars-url) - Polars plugin to parse/extract fields from urls by [@condekind](https://github.com/condekind).
 - [polars-ml](https://github.com/barak1412/polars_ml) - Polars plugin for machine learning by [@barak1412](https://github.com/barak1412).
+- [polars-distance](https://github.com/ion-elgreco/polars-distance) - Polars plugin for pairwise distance functions by [@ion-elgreco](https://github.com/ion-elgreco).  
 
 
 ### Python