[examples] Upgrade SvelteKit template to 1.0.0 (#9070)

🎉 Kit is live! 🎉 

Merge prior to #9030. Manually updates Kit to latest (will need to have
a commit pushed after 1.0 goes live on NPM).

Co-authored-by: Steven <steven@ceriously.com>

examples/sveltekit-1/svelte.config.js

@@ -0,0 +1,10 @@
+import adapter from '@sveltejs/adapter-vercel';
+
+/** @type {import('@sveltejs/kit').Config} */
+const config = {
+	kit: {
+		adapter: adapter()
+	}
+};
+
+export default config;