docs: add missing config files to tutorial (sveltejs#1141)

* add samples

* add config files

* Update apps/svelte.dev/content/docs/svelte/03-template-syntax/06-snippet.md

* Apply suggestions from code review

* remove shadowed files

---------

Co-authored-by: Rich Harris <[email protected]>
Co-authored-by: Rich Harris <[email protected]>

Author: sacrosanctic

apps/svelte.dev/content/tutorial/+assets/package.json

@@ -11,7 +11,7 @@
 		"@sveltejs/kit": "^2.20.0",
 		"esbuild-wasm": "^0.21.5",
 		"svelte": "^5.0.0",
-		"vite": "^5.4"
+		"vite": "^6"
 	},
 	"type": "module"
 }

apps/svelte.dev/content/tutorial/+assets/svelte.config.js

@@ -0,0 +1,6 @@
+/** @type {import('@sveltejs/kit').Config} */
+const config = {
+	kit: {}
+};
+
+export default config;

apps/svelte.dev/content/tutorial/+assets/vite.config.js

@@ -0,0 +1,6 @@
+import { sveltekit } from '@sveltejs/kit/vite';
+import { defineConfig } from 'vite';
+
+export default defineConfig({
+	plugins: [sveltekit()]
+});