transformers gguf alignment-handbook trl dpo generated_from_trainer en dataset:HuggingFaceH4/ultrafeedback_binarized base_model:TTTXXX01/zephyr-7b-DPOBS128-full base_model:quantized:TTTXXX01/zephyr-7b-DPOBS128-full license:apache-2.0 endpoints_compatible region:us conversational