Backup diff of GitHub/Pages (No. 1)

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• View the diff for visual.
• View the source.
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• Go to GitHub/Pages.
  • 1 (2023-02-18 (Sat) 18:00:15)

• The added line is THIS COLOR.
• The deleted line is THIS COLOR.

- https://docs.github.com/ja/pages/getting-started-with-github-pages/creating-a-github-pages-site#creating-a-repository-for-your-site
- https://docs.github.com/ja/pages/getting-started-with-github-pages/creating-a-github-pages-site

* トラブルシュート [#hee56f32]

- https://docs.github.com/en/actions/monitoring-and-troubleshooting-workflows/viewing-workflow-run-history
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