Display 5 worst predictions at the end of evaluation

Based on !339 (merged)

Closes #245 (closed)

dan/ocr/evaluate.py

@@ -97,7 +97,7 @@ def print_worst_predictions(all_inferences: Dict[str, List[Inference]]):
             inference.prediction,
         )
         alignment_str = f'{alignment["query_aligned"]}\n{alignment["matched_aligned"]}\n{alignment["target_aligned"]}'
-        table.add_row([inference.image, inference.wer, alignment_str])
+        table.add_row([inference.image, round(inference.wer * 100, 2), alignment_str])
 
     print(f"\n#### {NB_WORST_PREDICTIONS} worst prediction(s)\n")
     print(table)