[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/.eslintrc.cjs

@@ -0,0 +1,15 @@
+module.exports = {
+	root: true,
+	extends: ['eslint:recommended', 'prettier'],
+	plugins: ['svelte3'],
+	overrides: [{ files: ['*.svelte'], processor: 'svelte3/svelte3' }],
+	parserOptions: {
+		sourceType: 'module',
+		ecmaVersion: 2020
+	},
+	env: {
+		browser: true,
+		es2017: true,
+		node: true
+	}
+};