wip: docs and router

docs/guide/src/concepts/12-signals.md

@@ -96,7 +96,7 @@ Sometimes you want a signal to propagate across your app, either through far-awa
 
 ```rust
 const TITLE: Atom<String> = || "".to_string();
-const Provider: FC<()> = |(cx, props)|{
+const Provider: FC<()> = |cx, props|{
     let title = use_signal(&cx, &TITLE);
     rsx!(cx, input { value: title })
 };
@@ -105,7 +105,7 @@ const Provider: FC<()> = |(cx, props)|{
 If we use the `TITLE` atom in another component, we can cause updates to flow between components without calling render or diffing either component trees:
 
 ```rust
-const Receiver: FC<()> = |(cx, props)|{
+const Receiver: FC<()> = |cx, props|{
     let title = use_signal(&cx, &TITLE);
     log::info!("This will only be called once!");
     rsx!(cx,
@@ -132,7 +132,7 @@ Dioxus automatically understands how to use your signals when mixed with iterato
 
 ```rust
 const DICT: AtomFamily<String, String> = |_| {};
-const List: FC<()> = |(cx, props)|{
+const List: FC<()> = |cx, props|{
     let dict = use_signal(&cx, &DICT);
     cx.render(rsx!(
         ul {