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-NateSundo

Update the repository description and README, both of which are named in the issue. Replace the links with https://githubschool.github.io/github-games-NateSundo, then check the repository page and README to confirm both URLs point to this copy.

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