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-Thavamanis/

更新仓库描述和 README，使两个 URL 都指向 https://githubschool.github.io/github-games-Thavamanis/。首先打开 README 和仓库设置，然后验证渲染后的 README 链接和描述各自使用所请求的 URL。

由索引模型根据 Issue 内容生成。