Update README.md

Update `parse_response` example code to the new API (pass `prefix=inputs["input_ids"]`), matching the base model PRs.

README.md

@@ -180,7 +180,7 @@ outputs = model.generate(**inputs, max_new_tokens=1024)
 response = processor.decode(outputs[0][input_len:], skip_special_tokens=False)
 
 # Parse output
-processor.parse_response(response)
+processor.parse_response(response, prefix=inputs["input_ids"])
 ```
 
 To enable reasoning, set `enable_thinking=True` and the `parse_response` function will take care of parsing the thinking output.
@@ -240,7 +240,7 @@ outputs = model.generate(**inputs, max_new_tokens=512)
 response = processor.decode(outputs[0][input_len:], skip_special_tokens=False)
 
 # Parse output
-processor.parse_response(response)
+processor.parse_response(response, prefix=inputs["input_ids"])
 ```
 
 </details>
@@ -298,7 +298,7 @@ outputs = model.generate(**inputs, max_new_tokens=512)
 response = processor.decode(outputs[0][input_len:], skip_special_tokens=False)
 
 # Parse output
-processor.parse_response(response)
+processor.parse_response(response, prefix=inputs["input_ids"])
 ```
 
 </details>
@@ -357,7 +357,7 @@ outputs = model.generate(**inputs, max_new_tokens=512)
 response = processor.decode(outputs[0][input_len:], skip_special_tokens=False)
 
 # Parse output
-processor.parse_response(response)
+processor.parse_response(response, prefix=inputs["input_ids"])
 ```
 
 </details>