feat: amazingly awesome error handling

examples/_examples/helloworld.rs

@@ -6,7 +6,7 @@ fn main() {
     wasm_bindgen_futures::spawn_local(dioxus_web::WebsysRenderer::start(App))
 }
 
-fn App(cx: Context<()>) -> VNode {
+fn App(cx: Context<()>) -> DomTree {
     cx.render(rsx! {
         div { "Hello, world!" }
     })