feat: update template

Signed-off-by: kjuulh <contact@kjuulh.io>

cuddle-leptos/crates/app/src/error_template.rs

@@ -1,6 +1,6 @@
 use cfg_if::cfg_if;
 use http::status::StatusCode;
-use leptos::*;
+use leptos::prelude::*;
 use thiserror::Error;
 
 #[cfg(feature = "ssr")]
@@ -28,7 +28,7 @@ pub fn ErrorTemplate(
     #[prop(optional)] errors: Option<RwSignal<Errors>>,
 ) -> impl IntoView {
     let errors = match outside_errors {
-        Some(e) => create_rw_signal(e),
+        Some(e) => RwSignal::new(e),
         None => match errors {
             Some(e) => e,
             None => panic!("No Errors found and we expected errors!"),