Issue 109: SciCat ingest for multiple files

[davramov]

This PR addresses the issue #109, where we need to sometimes ingest multiple files for a single scan (such as bl733).

Corresponds with this issue in scicat_beamline: als-computing/scicat_beamline#31

The main change is extending the dataset_path field in the scicat_ingest_flow() function to accept either Path or list[Path]

@flow(name="scicat-ingest-flow")
def scicat_ingest_flow(
    dataset_path: Path | list[Path],