Update AutoModel... in config.json

Previously, loading an AutoModel.from_pretrained actually loaded the Masked language modeling model, and it was not possible to load the Sequence Classification model.

config.json

@@ -4,7 +4,9 @@
   ],
   "auto_map": {
     "AutoConfig": "model.NeoBERTConfig",
-    "AutoModel": "model.NeoBERTLMHead"
+    "AutoModel": "model.NeoBERT",
+    "AutoModelForMaskedLM": "model.NeoBERTLMHead",
+    "AutoModelForSequenceClassification": "model.NeoBERTForSequenceClassification"
   },
   "classifier_init_range": 0.02,
   "decoder_init_range": 0.02,