Add link to paper, code

This PR links the model card to the paper [Configurable Preference Tuning with Rubric-Guided Synthetic Data](https://huggingface.co/papers/2506.11702).

It also adds a code entry to the YAML metadata for the Github repository.

README.md

@@ -3,8 +3,9 @@ base_model: unsloth/mistral-nemo-instruct-2407-bnb-4bit
 datasets:
 - vicgalle/creative-rubrics-preferences
 library_name: transformers
-pipeline_tag: text-generation
 license: apache-2.0
+pipeline_tag: text-generation
+code: https://github.com/vicgalle/configurable-preference-tuning
 ---
 
 This is a LoRA adapter for `unsloth/mistral-nemo-instruct-2407-bnb-4bit` and was trained using the code and dataset described in the paper [Configurable Preference Tuning with Rubric-Guided Synthetic Data](https://huggingface.co/papers/2506.11702).