transformers safetensors gemma2 text-generation mergekit merge conversational en arxiv:2311.03099 arxiv:2306.01708 base_model:lemon07r/Gemma-2-Ataraxy-v2-9B base_model:merge:lemon07r/Gemma-2-Ataraxy-v2-9B base_model:princeton-nlp/gemma-2-9b-it-SimPO base_model:merge:princeton-nlp/gemma-2-9b-it-SimPO autotrain_compatible text-generation-inference endpoints_compatible region:us