URL in description and README broken

The URL in the repository description and the one in the 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-Irimart/

检查仓库描述设置和 README 中现有的两个游戏链接。将两个 URL 都更新为 https://githubschool.github.io/github-games-Irimart/，并确认描述和 README 现在都指向此仓库的副本。

由索引模型根据 Issue 内容生成。