vectorized polyfill

[geoHeil]

https://stackoverflow.com/questions/75235467/how-to-parallelize-a-pandas-udf-in-polars-h3-polyfill-for-string-typed-udf-out/75235973#75235973

add support for vectorized polyfill function to fill a polygon with H3 hexagons.

[kylebarron]

Separate from h3-py, there's existing h3-polars support, but it doesn't look like there's a python binding for that yet https://github.com/nmandery/h3ron/tree/main/h3ron-polars cc @nmandery

[nmandery]

@geoHeil This function runs polyfill etc. on the contents of a geopandas GeoSeries distributing the individual geometries to a thread-pool. https://github.com/nmandery/h3ronpy/blob/20f892e80f24e92afe3030b217456e395ee4ca11/h3ronpy/vector.py#L36 Maybe thats of help for you, but well, thats still build upon geopandas.

Regarding the polars integration: I want to look into porting that to h3o first, mainly to benefit from the stronger typing first.