Handle (display) errors

For example,

<img width="1535" alt="image" src="https://github.com/softwarebyze/food-response/assets/77241170/12892188-7e7c-4fd2-bf80-d48bb5f04e28">

```html
<div class="notification is-danger">
    <button class="delete"></button>
    Oops. There's been a network error.
</div>
```