transformers safetensors llama text-generation mergekit merge conversational arxiv:2311.03099 arxiv:2306.01708 base_model:MrRobotoAI/llama3-8B-Special-Dark-v2.0 base_model:finetune:MrRobotoAI/llama3-8B-Special-Dark-v2.0 autotrain_compatible text-generation-inference endpoints_compatible region:us