transformers gguf merge mergekit lazymergekit senseable/WestLake-7B-v2 Nexusflow/Starling-LM-7B-beta en base_model:Sanaullah06/WestStarling-7B-slerp base_model:quantized:Sanaullah06/WestStarling-7B-slerp license:apache-2.0 endpoints_compatible region:us