feat: homelab deployment - NPM + IONOS DNS + monitoring + NAS backup

- Restructured docker-compose for Nginx Proxy Manager (no custom nginx)
- Added domain wordly.art configuration
- Added Prometheus + Grafana monitoring stack with pre-configured dashboards
- Added PostgreSQL backup script to NAS (daily/weekly/monthly rotation)
- Added alert rules for backend, system, and Docker metrics
- Updated deployment guide for NPM + IONOS DNS homelab setup
- Added marketing plan document
- PDF translator and watermark support
- Enhanced middleware, routes, and translator modules

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

frontend/src/app/dashboard/translate/FilePreview.tsx

@@ -40,7 +40,7 @@ export function FilePreview({ file, onRemove }: FilePreviewProps) {
       <Button
         variant="ghost"
         size="icon-sm"
-        className="ml-2 text-muted-foreground hover:text-foreground shrink-0"
+        className="ms-2 text-muted-foreground hover:text-foreground shrink-0"
         onClick={(e) => {
           e.stopPropagation();
           onRemove();