Style the plugin home page; retire the old widget home.html

Adds home blocks to _pages.scss (art hero, server-status strip with
unknown/online/offline states, pitch prose, four-up steps grid) and
deletes the superseded paste-into-widget home.html + preview — home now
lives in nodebb-plugin-westgate-pages as templates/home.tpl.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

custom_pages/westgate-pages/THEME-INTEGRATION.md

@@ -8,9 +8,10 @@ not in ACP widgets:
 - **Gallery** — a player-upload screenshot category rendered as a masonry grid.
 - **Top bar** — global header partial that replaces the left sidebar.
 
-The two static pages (Home, Join the Team) are NOT here — they ship as
-paste-ready HTML widgets in `westgate-pages/home.html` and
-`westgate-pages/join-the-team.html`.
+The static pages are NOT here. Home now lives in the
+`nodebb-plugin-westgate-pages` repo as `templates/home.tpl` (sow-* classes,
+styled by `scss/westgate/_pages.scss`); Join the Team still ships as the
+paste-ready HTML widget `westgate-pages/join-the-team.html`.
 
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