use token limit to avoid discord message lenth limit

interactions/commands/chat.js

@@ -25,6 +25,7 @@ module.exports = {
       const response = await openai.createChatCompletion({
         model: "gpt-3.5-turbo",
         messages: [{ role: "user", content: message }],
+        max_tokens: 400,
       });
       console.log(response);
       const { data } = response;