Adding `safetensors` variant of this model

Training in progress epoch 4 {'exact_match': 76.14001892147587, 'f1': 84.4586858890635}

Training in progress epoch 3 {'exact_match': 75.74266792809838, 'f1': 84.00719858932702}

Training in progress epoch 2 {'exact_match': 76.47114474929045, 'f1': 84.30990549429261}

Training in progress epoch 1 {'exact_match': 75.96972563859981, 'f1': 84.02701573369394}

Training in progress epoch 0 {'exact_match': 74.82497634815516, 'f1': 83.30942926717938}

initial commit