transformers safetensors llama text-generation mergekit merge arxiv:2203.05482 base_model:PAIXAI/Astrid-7B-LLama-Med base_model:merge:PAIXAI/Astrid-7B-LLama-Med base_model:cxllin/Llama2-7b-Finance base_model:merge:cxllin/Llama2-7b-Finance autotrain_compatible text-generation-inference endpoints_compatible region:us