feat: add page system behing navbar items and skeletons for loading

crates/app/src/pages/cps.rs

@@ -0,0 +1,10 @@
+use askama::Template;
+use askama_axum::IntoResponse;
+
+#[derive(Template)]
+#[template(path = "pages/cps.html")]
+struct CpsResponse;
+
+pub async fn cps() -> impl IntoResponse {
+    CpsResponse.into_response()
+}