transformers gguf mergekit merge not-for-all-audiences arxiv:2311.03099 arxiv:2306.01708 base_model:TeeZee/BigMaid-20B-v1.0 base_model:merge:TeeZee/BigMaid-20B-v1.0 base_model:TeeZee/DarkForest-20B-v2.0 base_model:merge:TeeZee/DarkForest-20B-v2.0 base_model:athirdpath/Harmonia-20B base_model:merge:athirdpath/Harmonia-20B endpoints_compatible region:us