feat: enable arbitrary body in rsx! macro

examples/_examples/todomvc/main.rs

@@ -1,5 +1,5 @@
 use dioxus_core as dioxus;
-use dioxus_html_namespace as dioxus_elements;
+use dioxus_html as dioxus_elements;
 use dioxus_web::{prelude::*, WebsysRenderer};
 
 // mod filtertoggles;