transformers gguf merge mergekit lazymergekit EpistemeAI2/Fireball-Mistral-Nemo-Instruct-emo-PHD en base_model:EpistemeAI/Fireball-Mistral-Nemo-Instruct-24B-merge-v1 base_model:quantized:EpistemeAI/Fireball-Mistral-Nemo-Instruct-24B-merge-v1 endpoints_compatible region:us imatrix conversational