Add full model card with real evaluation metrics

Delete old empty README

Update README with full model card

Upload evaluation/training_curves.png with huggingface_hub

Upload evaluation/confusion_matrix.png with huggingface_hub

Upload evaluation/test_metrics_bar.png with huggingface_hub

Upload evaluation/test_metrics.json with huggingface_hub

Upload evaluation/classification_report.txt with huggingface_hub

Upload evaluation/training_history.json with huggingface_hub

Upload evaluation/confusion_matrix.json with huggingface_hub

Upload tokenizer

Upload XLMRobertaForSequenceClassification

initial commit