[TPC-DS] Add conversion from tpcds to arrow

[alamb]

• part of [Tracking] TPC-DS support #218

As part of creating TPC DS datasets directly in Parquet, we will first need to update the generators to output Arrow (in addition to their currnet "tbl" output format

I imagine we would implement a crate similar to https://github.com/clflushopt/tpchgen-rs/tree/main/tpchgen-arrow to tpcds

[clflushopt]

I have a PR to address this in the works