transformers safetensors llama text-generation mergekit merge arxiv:2311.03099 arxiv:2306.01708 base_model:codellama/CodeLlama-70b-Instruct-hf base_model:merge:codellama/CodeLlama-70b-Instruct-hf base_model:codellama/CodeLlama-70b-Python-hf base_model:merge:codellama/CodeLlama-70b-Python-hf base_model:meta-llama/Llama-2-70b-hf base_model:merge:meta-llama/Llama-2-70b-hf license:mit autotrain_compatible text-generation-inference endpoints_compatible region:us