feat: add cuddle leptos

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

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

@@ -0,0 +1,12 @@
+use app::*;
+use leptos::*;
+use wasm_bindgen::prelude::wasm_bindgen;
+
+#[wasm_bindgen]
+pub fn hydrate() {
+    // 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);
+}