Update refresh_sitemap
Update refresh_sitemap

- Block FacebookBot, an official bot for improving language models for Facebook's speech recognition technology
- Fix weird typos

MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer