📝 docs(ai): add ai configuration documentation

- document environment variables for AI configuration: MY_CUSTOM_AI_BASE_URL and MY_CUSTOM_AI_API_KEY
- provide example values for AI base URL and API key
- mention OpenAI SDK integration requirement

docs/ai对话.md

@@ -0,0 +1,11 @@
+
+
+直接用 
+process.env.MY_CUSTOM_AI_BASE_URL
+process.env.MY_CUSTOM_AI_API_KEY
+
+引入openai sdk 
+
+示例：
+MY_CUSTOM_AI_BASE_URL=https://www.d8d.fun/api/v1/ai 
+MY_CUSTOM_AI_API_KEY=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6OSwidXNlcm5hbWUiOiIxODc4NjY1ODE1MiIsInJvbGVzIjpbXSwiaWF0IjoxNzUzODQ1NDQ4LCJleHAiOjE3NTQ0NTAyNDh9.36A9HN3s3ehw1yy8anU4RTi5rWRSs5pQgZd5eVGtjWU