URL in description and README broken

The URL in the repository description and README are pointing to githubschool's copy of the game instead of yours.

Please fix both so they point to your copy of the game at https://githubschool.github.io/github-games-danimcderm/

檢查 README 和儲存庫描述，比較其中目前的遊戲連結與要求的 URL。將兩個參照都更新為 https://githubschool.github.io/github-games-danimcderm/，並驗證每個連結都指向儲存庫中的遊戲副本。

由索引模型根據 Issue 內容生成。