Update index.html for simple gradio demo

index.html

@@ -213,7 +213,7 @@ <h4 class="subtitle has-text-centered">
       type="module"
       src="https://gradio.s3-us-west-2.amazonaws.com/4.26.0/gradio.js">
       </script>
-      <gradio-app src="https://seallms-seallm-chat.hf.space"></gradio-app>
+      <gradio-app src="https://seallms-seallm-7b-v2-5-simple.hf.space"></gradio-app>
 
     </div>
   </div>