chore: strip formatting noise, delete dead routes, fix CodeRabbit issues

- Remove 179 format-only file changes (docs, migrations, plex, patchmon, CSS)
- Delete .cursor/goal files from git tracking
- Delete 4 dead /api/about routes (unused, data loaded from static JSON)
- Fix resolveAlias to use absolute paths (CodeRabbit)
- Fix Tailwind classes in Mantine app layout fallback (CodeRabbit)
- Return stale data during cache revalidation (CodeRabbit)

apps/docs/.vscode/settings.json

@@ -1,3 +1,10 @@
 {
-  "cSpell.words": ["Homarr", "Lidarr", "Nextcloud", "Radarr", "Readarr", "Sonarr"]
-}
+    "cSpell.words": [
+        "Homarr",
+        "Lidarr",
+        "Nextcloud",
+        "Radarr",
+        "Readarr",
+        "Sonarr"
+    ]
+}