fix stupid typo: left off message in request

sketch.js

@@ -182,8 +182,7 @@ async function runModel(PREPROMPT, PROMPT){
     // Chat completion API
     const out = await inference.chatCompletion({    
         model: MODELNAME,
-        // model: "google/gemma-2-9b",
-        // messages: [{ role: "user", content: PREPROMPT + PROMPT }],
+        messages: [{ role: "user", content: PREPROMPT + PROMPT }],
         max_tokens: 100
     });