transformers gguf merge mergekit lazymergekit BatsResearch/bonito-v1 SeaLLMs/SeaLLM-7B-v2 en base_model:Niansuh/SeaLLM-7B-v2-bonito-v1-slerp base_model:quantized:Niansuh/SeaLLM-7B-v2-bonito-v1-slerp endpoints_compatible region:us