transformers gguf merge mergekit llamas-community/LlamaGuard-7b ParthasarathyShanmugam/llama-2-7b-samantha en base_model:brichett/Guardian-Samantha-7b-slerp base_model:quantized:brichett/Guardian-Samantha-7b-slerp license:apache-2.0 endpoints_compatible region:us conversational