Upload tokenizer_config.json with huggingface_hub

tokenizer_config.json

@@ -35,5 +35,6 @@
   "sp_model_kwargs": {},
   "target_lang": "modelEuskeraConvertir",
   "tokenizer_class": "MarianTokenizer",
-  "unk_token": "<unk>"
-}
+  "unk_token": "<unk>",
+  "source_spm": "source.spm"
+}