Support for the Parquet data format

[wfthi]

** Rational **
Large datasets are now often stored in the Parquet format (https://parquet.apache.org). In principle, other packages can read efficiently data in the parquet format.

Related

Feature functionality

Additional context
Packages like DuckDB (https://duckdb.org) can retrieve data using SQL queries so one can just write her/his own code to use heat with large datasets.