give more details in the discussions opened by parquet-converter
fixes #2419

It could be too verbose now.

Also: we might add a section or a sentence to handle the case where the dataset was already in Parquet (until we properly detect if the dataset was already in Parquet format: https://github.com/huggingface/datasets-server/issues/2301)
give more details in the discussions opened by parquet-converter: fixes #2419

It could be too verbose now.

Also: we might add a section or a sentence to handle the case where the dataset was already in Parquet (until we properly detect if the dataset was already in Parquet format: https://github.com/huggingface/datasets-server/issues/2301)