[API] Refactor: Remove CORS fairing

- activated static route for frontend service,
- removed CORS fairing for production use

api/src/main.rs

@@ -56,12 +56,7 @@ async fn main() -> Result<(), rocket::Error> {
     ));
     
     
-    let cors = CorsOptions::default()
-        .to_cors()
-        .expect("Failed to create CORS fairing");
-
     rocket::custom(figment)
-        .attach(cors)
         .manage(pool)
         .mount("/api", routes![
             register,
@@ -78,8 +73,8 @@ async fn main() -> Result<(), rocket::Error> {
             update_quota,
             all_options,
         ])
-        //.mount("/", FileServer::from("/app/static").rank(10))
-        //.register("/", catchers![not_found])
+        .mount("/", FileServer::from("./static").rank(10))
+        .register("/", catchers![not_found])
         .launch()
         .await?;