transformers safetensors gemma2 text-generation mergekit merge conversational arxiv:2406.14491 arxiv:2405.14734 base_model:AXCXEPT/EZO-Common-9B-gemma-2-it base_model:merge:AXCXEPT/EZO-Common-9B-gemma-2-it base_model:princeton-nlp/gemma-2-9b-it-SimPO base_model:merge:princeton-nlp/gemma-2-9b-it-SimPO license:gemma autotrain_compatible text-generation-inference endpoints_compatible region:us