Migrating EnWik9 to datapipes #1511 (#1512)
Migrating EnWik9 to datapipes #1511 (#1512)

* Migrating enwik9 dataset to use torchdata

* Added typing to params

* Fixed PR comments. Updated to data_dp

* Added caching for extracted files

* Moved FileOpener after ondiskcache datapipe

Co-authored-by: nayef211 <0124e1258ba69a536160822a7a9faf9f12ad9a59@edu.uwaterloo.ca>
pytorch/text,pytorch/text,pytorch/text,pytorch/text