feat(settings): reduce animations appearance flag

readme.md

@@ -33,8 +33,8 @@ To Be Played is split into three repositories:
   as verified. A one-time state plus a binding cookie tie the answer to the browser that started the link, so a
   foreign Steam login link cannot move someone's Steam ID into another account. IDs typed in before this stay, but
   unverified: a verified link from another account takes them away. Unlinking is possible.
-- Appearance settings synced across devices: accent color, corner style, wide layout, background and dashboard
-  banner from the user's own game art. Only whitelisted presets and Steam app ids are stored, never raw CSS or URLs.
+- Appearance settings synced across devices: accent color, corner style, wide layout, reduce animations, background and
+  dashboard banner from the user's own game art. Only whitelisted presets and Steam app ids are stored, never raw CSS or URLs.
 - Opt-in public profile at `/u/<display name>`. Auth answers with a short-lived **profile ticket** (EdDSA JWT,
   10 minutes, `typ=public-profile`) that Core accepts for the public library data only. The profile has its own
   look (accent, corners, banner and background from own game art) and a **tile layout** (`profile_tiles`: the shown