docs: update baseline_v9 metrics

Initial upload: baseline_v9 tokenizer | ver: baseline_v9 | Loss: 2.3480 | PPL: 10.46 | BPC: 3.39 (Trained with Unsloth)

Initial upload: baseline_v9 full weights | ver: baseline_v9 | Loss: 2.3480 | PPL: 10.46 | BPC: 3.39 (Trained with Unsloth)

initial commit