[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/playwright.config.js

@@ -0,0 +1,10 @@
+/** @type {import('@playwright/test').PlaywrightTestConfig} */
+const config = {
+	webServer: {
+		command: 'npm run build && npm run preview',
+		port: 4173
+	},
+	testDir: 'tests'
+};
+
+export default config;