Update tokenizer_config.json

tokenizer_config.json

@@ -1,6 +1,7 @@
 {
   "model_max_length": 8192,
   "tokenizer_class": "QWenTokenizer",
+  "chat_template": "{% for message in messages %}{% if loop.first and messages[0]['role'] != 'system' %}{{ '<|im_start|>system\nYou are a helpful assistant<|im_end|>\n' }}{% endif %}{{'<|im_start|>' + message['role'] + '\n' + message['content'] + '<|im_end|>' + '\n'}}{% endfor %}{% if add_generation_prompt %}{{ '<|im_start|>assistant\n' }}{% endif %}",
   "auto_map": {
     "AutoTokenizer": [
       "tokenization_qwen.QWenTokenizer",