first commit with existing files

ncfiles/files/ncfiles.service

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+[Unit]
+Description=Nextcloud files scan
+
+[Service]
+User=root
+ExecStart=/usr/bin/docker exec --user www-data %1% /var/www/html/occ files:scan --all
+KillMode=process

ncfiles/files/ncfiles.timer

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+[Unit]
+Description=Scan Nextcloud files every 30 minutes
+
+[Timer]
+OnBootSec=30min
+OnUnitActiveSec=30min
+Unit=ncfiles.service
+
+[Install]
+WantedBy=timers.target