Add counter to class lists

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit c818ca8):

https://ccm-english-dev--pr287-develop-fwamcpyz.web.app

_{(expires Mon, 21 Aug 2023 09:34:49 GMT)}

_{🔥 via Firebase Hosting GitHub Action 🌎}

_{Sign: 0751040c68b31b650be151b7df18f09ae9dae1fb}