Update ESP32_openAI.ino

Author: fustyles

ESP32_openAI.ino

@@ -17,9 +17,9 @@ https://fustyles.github.io/webduino/openAI.html
 const char* ssid     = "teacher";   // your network SSID
 const char* password = "87654321";   // your network password
 String openaiKey = "";  // openAI API Key
-String model = "gpt-3.5-turbo";
 String role = "You are a helpful assistant.";
 
+String model = "gpt-3.5-turbo";
 String system_content = "{\"role\": \"system\", \"content\":\""+ role +"\"}";
 String historical_messages = system_content;