transformers safetensors gemma text-generation mergekit merge conversational arxiv:2306.01708 base_model:Sumail/Alchemist_06_2b base_model:merge:Sumail/Alchemist_06_2b base_model:deepnetguy/gemma-70 base_model:merge:deepnetguy/gemma-70 base_model:zzttbrdd/sn6_01_new base_model:merge:zzttbrdd/sn6_01_new autotrain_compatible text-generation-inference endpoints_compatible region:us