add optimizeDeps config

Author: Rich-Harris

content/tutorial/04-advanced-sveltekit/01-todo/01-sandbox/app-a/svelte.config.js

@@ -0,0 +1,16 @@
+import adapter from '@sveltejs/adapter-auto';
+
+/** @type {import('@sveltejs/kit').Config} */
+const config = {
+	kit: {
+		adapter: adapter(),
+
+		vite: {
+			optimizeDeps: {
+				include: ['cjs-dep']
+			}
+		}
+	}
+};
+
+export default config;