Update tokenizer_config.json

tokenizer_config.json

@@ -1 +1 @@
-{"do_lower_case": true, "special_tokens_map_file": null, "full_tokenizer_file": null, "model_max_length": 256}
+{"unk_token": "[UNK]", "sep_token": "[SEP]", "pad_token": "[PAD]", "cls_token": "[CLS]", "mask_token": "[MASK]", "model_max_length": 256, "do_lower_case": true}