update text-gen model to 'Xenova/LaMini-Cerebras-256M'

sketch.js

@@ -14,7 +14,7 @@ let pField
 async function textGenTask(input){
   console.log('text-gen task initiated')
 
-  const pipe = await pipeline('text-generation', 'Xenova/t5-small')
+  const pipe = await pipeline('text-generation', 'Xenova/LaMini-Cerebras-256M')
 
   var out = await pipe(input)