Add evaluation results on the lener_br config and train split of lener_br

Add evaluation results on the lener_br config and validation split of lener_br (#2)

Add evaluation results on lener_br dataset (#1)

Update README.md

Commit using trainer.push_to_hub()

Commit using trainer.push_to_hub()

Commit using trainer.push_to_hub()

Commit using trainer.push_to_hub()

initial commit