added a duplicate badge and a message for users

This can help users easily duplicate the space and run with their API key more securely. We can see that people are opening discussions with their API key.

presets.py

@@ -34,6 +34,9 @@ description = """\
 访问川虎ChatGPT的 [GitHub项目](https://github.com/GaiZhenbiao/ChuanhuChatGPT) 下载最新版脚本
 
 此App使用 `gpt-3.5-turbo` 大语言模型
+
+<center><a href="https://huggingface.co/spaces/JohnSmith9982/ChuanhuChatGPT?duplicate=true"><img src="https://bit.ly/3gLdBN6" alt ="复制空间"></a>复制空间并使用您的 OpenAI API 密钥安全运行</center>
+
 </div>
 """