fix(item list): make item list reactive.

src/app.rs

@@ -28,7 +28,7 @@ pub fn App() -> impl IntoView {
             // Form component for adding new items.
             <ItemForm on_submit=Box::new(add_item) />
             // Component to display the list of items.
-            <ItemsList items=items_signal.get() />
+            <ItemsList items=items_signal />
         </div>
     }
 }

src/components/items_list.rs

@@ -5,12 +5,12 @@ use leptos::*;
 use crate::models::item::Item;
 
 #[component]
-pub fn ItemsList(items: Vec<Item>) -> impl IntoView {
+pub fn ItemsList(items: ReadSignal<Vec<Item>>) -> impl IntoView {
     view! {
         <div>
             <h2>{ "Items" }</h2>
             <ul>
-                {items.iter().enumerate().map(|(i, item)| view! {
+            {move || items.get().iter().enumerate().map(|(i, item)| view! {
                     <li key={i.to_string()}>
                         <strong>{ item.name.clone() }</strong> - { item.description.clone() }
                         <ul>