transformers gguf merge mergekit lazymergekit HuggingFaceTB/SmolLM-1.7B-Instruct HuggingFaceTB/SmolLM-1.7B en base_model:aipib/smollm1.7b-dareties base_model:quantized:aipib/smollm1.7b-dareties endpoints_compatible region:us