<p>In this demo, we build a yet more complex &#x27;Todo&#x27; app, complete with persistence and a schema.</p><p>In the <a href="/demos/todo-app/todo-app-v1-the-basics/">Todo App v1 (the basics)</a> demo and the <a href="/demos/todo-app/todo-app-v2-indexes/">Todo App v2 (indexes)</a> demo, refreshing the page reset all the todos, which didn&#x27;t make it very useful. In this version, we demonstrate the basics of how to persist data from a <a href="/api/the-essentials/creating-stores/store/"><code>Store</co