gguf merge mergekit lazymergekit Sao10K/L3-8B-Stheno-v3.2 Sao10K/L3-8B-Stheno-v3.1 base_model:Sao10K/L3-8B-Stheno-v3.1 base_model:merge:Sao10K/L3-8B-Stheno-v3.1 base_model:Sao10K/L3-8B-Stheno-v3.2 base_model:merge:Sao10K/L3-8B-Stheno-v3.2 endpoints_compatible region:us conversational