Updated to Ver 4.0, Support Ollama Local AI LLM and ChatGPT4o

Add support for local AI LLM: Support for Ollama API to implement support for local AI LLM, support download LLM from Ollama library. Tutorial: https://www.bilibili.com/read/cv35853809
Repair and improve support for ChatGPT compatible API: support custom ChatGPT API URL and compatible with various compatible APIs, add API test connection button, add model list refresh button and temperature adjustment setting item, support ChatGPT4o