v1.5.6 - 2025-11-09

Changed

• Updated MkDocs for Material light mode to use orange as the primary
  color and deep orange as the accent color for improved readability.
• Updated src/sitemap.xml to reflect the newest posts and refresh last
  modified dates.
• Bumped project version to v1.5.6.

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Full Changelog: v1.5.5...v1.5.6