Add response template (#4)

- Add response template (ef6fb121506639b89a34bb51c089a2e47884c802)
- Match response template to checkpoint output protocol (20d5926d6de88fdb5ee75228f9a391f82bd6d75f)


Co-authored-by: Nico Martin <nico-martin@users.noreply.huggingface.co>

tokenizer_config.json

@@ -203,5 +203,27 @@
   "pad_token": "<|endoftext|>",
   "split_special_tokens": false,
   "tokenizer_class": "Qwen2Tokenizer",
-  "unk_token": null
+  "unk_token": null,
+  "response_template": {
+    "defaults": {
+      "role": "assistant"
+    },
+    "start_anchor": "<|im_start|>assistant\n",
+    "fields": {
+      "tool_calls": {
+        "open_pattern": "\\s*<tool_call>",
+        "close": "</tool_call>",
+        "repeats": true,
+        "content": "json",
+        "transform": {
+          "type": "function",
+          "function": "{content}"
+        }
+      },
+      "content": {
+        "close_pattern": "\\s*(?:<\\|im_end\\|>|<\\|endoftext\\|>|<\\|eot_id\\|>)",
+        "content": "text"
+      }
+    }
+  }
 }