gguf alignment-handbook trl orpo generated_from_trainer TensorBlock GGUF dataset:HuggingFaceH4/ultrafeedback_binarized base_model:statking/zephyr-7b-sft-full-orpo base_model:quantized:statking/zephyr-7b-sft-full-orpo license:apache-2.0 endpoints_compatible region:us conversational