feat(deploy): add adult verification directory creation and permissions setup

- Enhanced deploy-backend.sh and update-backend.sh to create the adult verification directory under /opt/yourpart-data.
- Updated permissions for the new directory to ensure proper access control.
- Refactored file path handling in AdminService and SettingsService to utilize the new directory structure for adult verification files.

update-backend.sh

@@ -40,6 +40,7 @@ sudo rm -rf /opt/yourpart/backend
 # Erstelle Backend-Verzeichnis
 echo "Erstelle Backend-Verzeichnis..."
 sudo mkdir -p /opt/yourpart/backend
+sudo mkdir -p /opt/yourpart-data/adult-verification
 
 # Kopiere neues Backend (ohne .env-Dateien aus dem Quellverzeichnis)
 echo "Kopiere neues Backend..."
@@ -76,6 +77,8 @@ fi
 echo "Setting permissions..."
 sudo chown -R yourpart:yourpart /opt/yourpart/backend
 sudo chmod -R 755 /opt/yourpart/backend
+sudo chown -R yourpart:yourpart /opt/yourpart-data
+sudo chmod -R 755 /opt/yourpart-data
 # Stelle sicher, dass .env-Dateien die richtigen Berechtigungen haben
 if [ -f /opt/yourpart/backend/.env ]; then
     sudo chmod 600 /opt/yourpart/backend/.env
@@ -104,4 +107,3 @@ echo "Checking service status..."
 sudo systemctl status yourpart --no-pager
 
 echo "Backend update completed!"
-