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-vikas-khindkar/

Open README and the repository description settings first, and compare both URLs with the target URL in the issue. Update each reference so it points to the repository's own GitHub Pages game URL, then verify the README link and description display the corrected destination.

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