get all room endpoint + clean fil structure

src/rooms/routes.rs

@@ -18,4 +18,5 @@ pub fn rooms_routes() -> Router<AppState> {
         .route("/", get(hello_rooms) )
         .route("/fakeUpdate/{room_id}", put(fake_room_update))
         .route("/clean_db_update/{room_id}", put(clean_db_update))
+        .route("/rooms", get(get_all_rooms))
     }