Add lazy contexts to signals

examples/signals.rs

@@ -1,5 +1,4 @@
 use dioxus::prelude::*;
-use dioxus_signals::{use_init_signal_rt, use_signal};
 use std::time::Duration;
 
 fn main() {
@@ -7,9 +6,7 @@ fn main() {
 }
 
 fn app(cx: Scope) -> Element {
-    use_init_signal_rt(cx);
-
-    let mut count = use_signal(cx, || 0);
+    let mut count = dioxus_signals::use_signal(cx, || 0);
 
     use_future!(cx, || async move {
         loop {