transformers gguf axolotl generated_from_trainer dataset:Magpie-Align/MagpieLM-SFT-Data-v0.1 arxiv:2406.08464 base_model:meta-llama/Llama-3.1-8B base_model:quantized:meta-llama/Llama-3.1-8B license:llama3.1 endpoints_compatible region:us conversational