add polars to purpose and scope (#313)

MarcoGorelli · web-flow · commit 0a8e1ddec82b · 2023-11-01T18:01:59.000+01:00
diff --git a/protocol/purpose_and_scope.md b/protocol/purpose_and_scope.md
@@ -271,6 +271,7 @@ could adopt this protocol include:
 
 - [PySpark](https://spark.apache.org/docs/latest/api/python/)
 - [Turi Create](https://github.com/apple/turicreate)
+- [Polars](https://www.pola.rs/)
 
 Other relevant projects that provide "infrastructure" for dataframe libraries
 to build on, include:
