gguf merge mergekit Undi95/Meta-Llama-3.1-8B-Claude Dampfinchen/Llama-3.1-8B-Ultra-Instruct en de base_model:Dampfinchen/Llama-3.1-8B-Ultra-Instruct base_model:quantized:Dampfinchen/Llama-3.1-8B-Ultra-Instruct license:llama3.1 endpoints_compatible region:us conversational