Description of feature

Hello,

I was wondering if it would be possible to add KBET to the list of metrics that can be selected in the BatchCorrection object ? Or maybe it is already possible and I didn't figure out how.

I saw that the function scib_metrics.kbet() is present in the API list and I would be interested in running it as it is label-free, though it would make sense to have it off by default.
Currently, it can be run it by itself but this is not as practical as it takes a NeighborsResults as input.

scib_metrics.benchmark.BatchCorrection(silhouette_batch=True, ilisi_knn=True, kbet_per_label=True, graph_connectivity=True, pcr_comparison=True)

Thank you for the nice package in any case !