Fix the router and stub out a number of crates to get compiling

examples/generic_component.rs

@@ -6,7 +6,7 @@ fn main() {
     dioxus_desktop::launch(app);
 }
 
-fn app(cx: Scope) -> Element {
+fn app() -> Element {
     render! {
         generic_child { data: 0 }
     }