The wiki moved from infra to services

The wiki is something running on our server, not part of the server
environment itself, so `wiki-pages` belongs in `services` by the org
taxonomy. Transferred on the forge, and the workspace folder and the
remote followed. Gitea's redirect keeps the old `infra/wiki-pages`
paths resolving, so the deployed checkout and existing links still
work.

The clone list, the wiki file paths in the table and the folder tree
in the README follow.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

scripts/repos.list

@@ -47,7 +47,6 @@ games/realworld|ssh://git@git.teletypegames.org:2222/games/realworld
 games/trickster-tiles|ssh://git@git.teletypegames.org:2222/games/trickster-tiles
 infra/backup-scripts|ssh://git@git.teletypegames.org:2222/infra/backup-scripts
 infra/nginx-conf|ssh://git@git.teletypegames.org:2222/infra/nginx-conf
-infra/wiki-pages|ssh://git@git.teletypegames.org:2222/infra/wiki-pages
 services/blog-writer|ssh://git@git.teletypegames.org:2222/services/blog-writer
 services/redmine-tree|ssh://git@git.teletypegames.org:2222/services/redmine-tree
 services/social-updater|ssh://git@git.teletypegames.org:2222/services/social-updater
@@ -55,6 +54,7 @@ services/statusbot|ssh://git@git.teletypegames.org:2222/services/statusbot
 services/teletypegames|ssh://git@git.teletypegames.org:2222/services/teletypegames
 services/teletype-orbit|ssh://git@git.teletypegames.org:2222/services/teletype-orbit
 services/updater|ssh://git@git.teletypegames.org:2222/services/updater
+services/wiki-pages|ssh://git@git.teletypegames.org:2222/services/wiki-pages
 
 stores/ttg-batocera-store|ssh://git@git.teletypegames.org:2222/stores/ttg-batocera-store
 stores/ttg-retroarch-store|ssh://git@git.teletypegames.org:2222/stores/ttg-retroarch-store