backup system scripts

backup system via restic
backup dav script, remove unneseccary lines

utils/backup_system.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+LOGFILE="/var/log/restic-backup.log"
+
+export RESTIC_REPOSITORY=/backup/restic
+export RESTIC_PASSWORD_FILE=/root/.config/restic/password
+
+sudo -u lucas /home/lucas/scripts/utils/backup_calender_contacts.sh
+{
+    echo "========== $(date '+%Y-%m-%d %H:%M:%S') =========="
+
+    restic backup \
+        /docker \
+        /data/audiobookshelf \
+        /data/gitea \
+        /data/navidrome \
+        /data/nextcloud/data/lucas/files \
+        /data/nextcloud/data/Mimi/files \
+        /data/homeassistant \
+        /backup/dav \
+        --exclude-file /root/.config/restic/excludes.txt
+
+    restic forget --prune \
+        --keep-daily 7 \
+        --keep-weekly 4 \
+        --keep-monthly 12
+
+    echo "Backup completed successfully"
+    echo
+} | tee -a "$LOGFILE"