updated to svelte 5

src/App.svelte

@@ -27,4 +27,4 @@
   });
 </script>
 
-<div {id} />
+<div {id}></div>

src/main.js

@@ -1,8 +1,8 @@
+import { mount } from 'svelte';
 import App from './App.svelte';
 
-const app = new App({
-  target: document.body,
-  props: {},
+const app = mount(App, {
+  target: document.body
 });
 
-export default app;
+export default app;