Homepage: tab layout, RSS proxy, and deploy docs

- Reorganize services into OPS/DATA/FEEDS/LINKS tabs with compact DB grid
- Add rss-proxy service (29 FDE feeds) and Intel feed groups
- Update Palantir theme CSS/JS; Dell wordmark SVG; Proxmox API token auth
- Add deploy/docker-compose.homepage.yml and config/homepage/README.md
- Stop tracking runtime logs; add .gitignore

config/homepage/widgets.yaml

@@ -4,11 +4,11 @@
     href: https://www.delltechnologies.com
     target: _blank
 - greeting:
-    text_size: xl
-    text: "Forward Deployed Engineering"
-    subtext: "Bart & Mo · Dell Technologies · ATC Lakehouse"
-- datetime:
     text_size: lg
+    text: ATC Lakehouse
+    subtext: "Forward Deployed Engineering · Bart & Mo"
+- datetime:
+    text_size: md
     format:
       timeStyle: short
       dateStyle: medium