gguf merge mergekit meta-llama/Meta-Llama-3-8B meta-llama/Meta-Llama-3-8B-Instruct llama-cpp gguf-my-repo base_model:arcee-ai/Llama-3-Base-Instruct-Slerp base_model:quantized:arcee-ai/Llama-3-Base-Instruct-Slerp license:apache-2.0 endpoints_compatible region:us conversational