gguf alignment-handbook trl sft generated_from_trainer TensorBlock GGUF dataset:HuggingFaceH4/ultrafeedback_binarized base_model:kevin1010607/llama2-7b-sft-full-llama2 base_model:quantized:kevin1010607/llama2-7b-sft-full-llama2 license:llama2 endpoints_compatible region:us conversational