gguf Mixtral openbmb/MiniCPM-2B-sft-bf16-llama-format MoE merge mergekit moerge MiniCPM llama-cpp gguf-my-repo en zh base_model:openbmb/MiniCPM-2B-sft-bf16-llama-format base_model:quantized:openbmb/MiniCPM-2B-sft-bf16-llama-format license:apache-2.0 model-index endpoints_compatible region:us conversational