gguf merge mergekit lazymergekit Nitral-AI/KukulStanta-7B Endevor/InfinityRP-v1-7B Q2_K Q3_K_L Q3_K_M Q3_K_S Q4_0 Q4_1 Q4_K_S Q4_k_m Q5_0 Q5_1 Q6_K Q5_K_S Q5_k_m Q8_0 en ru th license:apache-2.0 endpoints_compatible region:us