Removing redundant to_owned

server/src/main.rs

@@ -59,7 +59,7 @@ async fn main() -> io::Result<()> {
       ))
       .service(actix_files::Files::new(
         "/docs",
-        settings.front_end_dir.to_owned() + "/documentation",
+        settings.front_end_dir + "/documentation",
       ))
   })
   .bind((settings.bind, settings.port))?