feat: update template

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

cuddle-leptos/crates/frontend/src/lib.rs

@@ -1,12 +1,10 @@
-use app::*;
-use leptos::*;
-use wasm_bindgen::prelude::wasm_bindgen;
-
-#[wasm_bindgen]
+#[wasm_bindgen::prelude::wasm_bindgen]
 pub fn hydrate() {
+    use app::*;
+
     // initializes logging using the `log` crate
     _ = console_log::init_with_level(log::Level::Debug);
     console_error_panic_hook::set_once();
 
-    leptos::mount_to_body(App);
+    leptos::mount::hydrate_body(App);
 }