Add NAS file manager integration and all pending platform changes

- Installed p7h/nas-file-manager package via private VCS repo
- Published config/nas-file-manager.php with super_admin middleware restriction
- Added NAS env vars to .env.example
- Created admin/nas-storage page with connection info panel and file browser widget
- Added NAS Storage link to admin sidebar (super_admin only)
- Added SuperAdminController@nasStorage method and admin.nas-storage route
- Includes all accumulated branch changes: profile wall, 2FA, audit logs,
  settings panel, country/phone/timezone components, posts, slideshow,
  playlist shares, video downloads/shares, comment likes, notifications,
  social links, and more

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>

.env.example

@@ -57,3 +57,14 @@ VITE_PUSHER_HOST="${PUSHER_HOST}"
 VITE_PUSHER_PORT="${PUSHER_PORT}"
 VITE_PUSHER_SCHEME="${PUSHER_SCHEME}"
 VITE_PUSHER_APP_CLUSTER="${PUSHER_APP_CLUSTER}"
+
+# NAS File Manager
+NAS_PROTOCOL=smb
+NAS_HOST=
+NAS_PORT=445
+NAS_USERNAME=
+NAS_PASSWORD=
+NAS_PATH=/media
+NAS_SMB_SHARE=
+NAS_SMB_DOMAIN=
+NAS_FM_ROUTE_PREFIX=nas-file-manager