gguf merge mergekit lazymergekit jan-hq/stealth-v1.3 powermove72/FusionGrit-7B llama-cpp gguf-my-repo base_model:powermove72/Stealth-FusionGrit-7b-Slerp-Exp base_model:quantized:powermove72/Stealth-FusionGrit-7b-Slerp-Exp endpoints_compatible region:us conversational