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

packages/router/src/components/default_errors.rs

@@ -4,9 +4,9 @@ use dioxus::prelude::*;
 
 /// The default component to render when an external navigation fails.
 #[allow(non_snake_case)]
-pub fn FailureExternalNavigation(cx: Scope) -> Element {
+pub fn FailureExternalNavigation() -> Element {
     #[allow(deprecated)]
-    let router = use_router(cx);
+    let router = use_router();
 
     render! {
         h1 { "External Navigation Failure!" }