Fix grammar typo in comment (#1652)

packages/fullstack/src/router.rs

@@ -53,7 +53,7 @@ fn default_external_navigation_handler() -> fn(Scope) -> Element {
     dioxus_router::prelude::FailureExternalNavigation
 }
 
-/// The configeration for the router
+/// The configuration for the router
 #[derive(Props, serde::Serialize, serde::Deserialize)]
 pub struct FullstackRouterConfig<R>
 where