Update tokenizer.json

tokenizer.json

@@ -41,7 +41,9 @@
     "continuing_subword_prefix": null,
     "end_of_word_suffix": null,
     "fuse_unk": false,
-    "vocab": {},
+    "vocab": {
+      "hello": 0
+    },
     "merges": []
   }
 }