Update params/mlc-chat-config.json

params/mlc-chat-config.json

@@ -13,5 +13,8 @@
         "tokenizer.json"
     ],
     "model_category": "llama",
-    "model_name": "Llama-2-7b-chat-omniquant"
+    "model_name": "Llama-2-7b-chat-omniquant",
+    "max_window_size": 4096,
+    "vocab_size": 32000
+  
 }