🩹 Corrige doc y código por cambios en Page

src/lib.rs

@@ -60,8 +60,8 @@ impl Extension for HelloWorld {
 }
 
 async fn hello_world(request: HttpRequest) -> ResultPage<Markup, ErrorPage> {
-    Page::new(Some(request))
-        .with_component(Html::with(move |_| html! { h1 { "Hello World!" } }))
+    Page::new(request)
+        .add_component(Html::with(move |_| html! { h1 { "Hello World!" } }))
         .render()
 }