transformers safetensors llama text-generation mergekit merge arxiv:2311.03099 arxiv:2306.01708 base_model:Steelskull/Etheria-55b-v0.1 base_model:quantized:Steelskull/Etheria-55b-v0.1 autotrain_compatible text-generation-inference 4-bit awq region:us