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>

docker/grafana/provisioning/dashboards/dashboards.yml

@@ -0,0 +1,13 @@
+apiVersion: 1
+
+providers:
+  - name: 'Wordly Dashboards'
+    orgId: 1
+    folder: 'Wordly'
+    type: file
+    disableDeletion: false
+    editable: true
+    updateIntervalSeconds: 30
+    options:
+      path: /var/lib/grafana/dashboards
+      foldersFromFilesStructure: true