Implement apache arrow/parquet

[Sobottasgithub]

Use apache arrow/parquet to handle the csv-files/viewport
Encode arrow::Table to bytes and use that in the ans1 sequence to prevent bloated code and increase efficiency.

https://arrow.apache.org/docs/cpp/memory.html

[Sobottasgithub]

https://arrow.apache.org/docs/cpp/csv.html#cpp-csv-tradeoffs