[examples] Update SvelteKit example with latest boilerplate (#7892)

Replaces https://github.com/vercel/vercel/pull/7674 with the latest SvelteKit boilerplate.

examples/sveltekit/svelte.config.js

@@ -2,14 +2,14 @@ import adapter from '@sveltejs/adapter-auto';
 
 /** @type {import('@sveltejs/kit').Config} */
 const config = {
-	kit: {
-		adapter: adapter(),
+  kit: {
+    adapter: adapter(),
 
-		// Override http methods in the Todo forms
-		methodOverride: {
-			allowed: ['PATCH', 'DELETE']
-		}
-	}
+    // Override http methods in the Todo forms
+    methodOverride: {
+      allowed: ['PATCH', 'DELETE']
+    }
+  }
 };
 
 export default config;