transformers safetensors llama text-generation merge mergekit lazymergekit NousResearch/Meta-Llama-3-8B-Instruct conversational base_model:NousResearch/Meta-Llama-3-8B-Instruct base_model:finetune:NousResearch/Meta-Llama-3-8B-Instruct autotrain_compatible text-generation-inference endpoints_compatible region:us