Changed to match corresponding example.

Considered making the examples use different items, but decided to keep them the same so that changes in code functionality are more clear.

Changed data back to match examples in the documentation.

packages/docs/src/routes/demo/component/primitive-props/index.tsx

@@ -22,12 +22,12 @@ export const Item = component$<ItemProps>((props) => {
 });
 
 export default component$(() => {
-  const price = useSignal(2.99);
+  const price = useSignal(9.99);
 
   return (
     <>
       <h1>Props</h1>
-      <Item name="screwdriver" price={price} quantity={10} />
+      <Item name="hammer" price={price} quantity={5} />
     </>
   );
 });