transformers gguf solar finetune dpo Instruct augmentation german text-generation en de dataset:argilla/distilabel-math-preference-dpo base_model:fblgit/LUNA-SOLARkrautLM-Instruct base_model:quantized:fblgit/LUNA-SOLARkrautLM-Instruct license:cc-by-nc-4.0 region:us