feat: add polars notebook
-rw-r--r-- 6148 .DS_Store
-rw-r--r-- 48 .gitignore
-rw-r--r-- 35149 LICENSE
-rw-r--r-- 129 README.md
drwxr-xr-x - data_files
drwxr-xr-x - notebooks
drwxr-xr-x - projects