[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/vite.config.js

@@ -0,0 +1,11 @@
+import { sveltekit } from '@sveltejs/kit/vite';
+
+/** @type {import('vite').UserConfig} */
+const config = {
+	plugins: [sveltekit()],
+	test: {
+		include: ['src/**/*.{test,spec}.{js,ts}']
+	}
+};
+
+export default config;