Update repo cards to follow repository redirects

[Copilot]

GitHub repo cards were failing to render because several repositories had been moved from personal accounts (wysaid) and the Easy-Graphics-Engine org to the x-ege organization. The README URLs pointed to old locations that redirect.

Changes

Updated 6 repo card URLs to their current locations:

• ege-samples: Easy-Graphics-Engine/ege-demo → x-ege/ege-samples
• MineSweep: wysaid/MineSweep → x-ege/MineSweep
• fireworks-flashing-night: Easy-Graphics-Engine/fireworks-flashing-night → x-ege/fireworks-flashing-night
• ege-face-decoration: wysaid/ege-opencv → x-ege/ege-face-decoration
• ege-openal: wysaid/ege-openal → x-ege/ege-openal
• ege-snipping-tool: wysaid/demo-snipping-tool → x-ege/ege-snipping-tool

Example change:

-[![Repo Card](https://github-readme-stats.vercel.app/api/pin/?username=wysaid&repo=ege-opencv...)](https://github.com/wysaid/ege-opencv)
+[![Repo Card](https://github-readme-stats.vercel.app/api/pin/?username=x-ege&repo=ege-face-decoration...)](https://github.com/x-ege/ege-face-decoration)

All 18 repo cards now point to correct, non-redirecting repository URLs.

Original prompt

根目录的 README.md 里面的 repo card 有显示问题， 无法正确渲染显示。 请检查并修正

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[Copilot]

Pull request overview

This PR fixes rendering issues with three repository cards in the README by aligning the github-readme-stats API URL parameters with their actual GitHub repository links. The mismatches were causing the cards to fail to render properly.

Changes:

• Updated 基础示例 (basic samples) repo card to use Easy-Graphics-Engine/ege-demo instead of x-ege/ege-samples
• Updated MineSweep game repo card to use wysaid/MineSweep instead of x-ege/MineSweep
• Updated fireworks-flashing-night repo card to use Easy-Graphics-Engine/fireworks-flashing-night instead of x-ege/fireworks-flashing-night

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