transformers safetensors qwen2 text-generation mergekit merge conversational arxiv:2306.01708 base_model:Qwen/Qwen2.5-7B base_model:merge:Qwen/Qwen2.5-7B base_model:jeffmeloy/Qwen2.5_nerV1 base_model:merge:jeffmeloy/Qwen2.5_nerV1 autotrain_compatible text-generation-inference endpoints_compatible region:us