Add image search metadata: CC0 license data, sitemap, robots, 404 page

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Every tile image gets ImageObject license data so search engines can list it
as Creative Commons, the build writes sitemap.xml with all tile images,
robots.txt points at it, unknown paths get a real 404 instead of the gallery,
and the page gets a descriptive title, canonical, large image previews and
an og.png collage for link previews.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

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This commit is contained in:

multipleof4

2026-10-23 21:53:49 +00:00

co-authored by Claude Opus 5.5

parent 25b7109665

commit c910011cd2

5 changed files with 71 additions and 11 deletions

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