transformers gguf mergekit merge arxiv:2403.19522 base_model:FourOhFour/Vapor_7B base_model:merge:FourOhFour/Vapor_7B base_model:Qwen/Qwen2.5-7B base_model:merge:Qwen/Qwen2.5-7B base_model:huihui-ai/Qwen2.5-7B-Instruct-abliterated-v2 base_model:merge:huihui-ai/Qwen2.5-7B-Instruct-abliterated-v2 endpoints_compatible region:us conversational