Add comprehensive Plex backup management scripts

- Introduced `restore-plex.sh` for restoring Plex backups with logging and validation.
- Created `test-plex-backup.sh` for automated testing of backup functionalities.
- Developed `validate-plex-backups.sh` for validating backup integrity and monitoring.
- Updated `update.sh` to reference the correct path for Plex service management.

crontab/crontab-backups/europa/current-crontab.backup

@@ -0,0 +1,5 @@
+0 1 * * * /home/acedanger/shell/move-backups.sh 2>&1 | logger -t backup-move -p user.info
+15 4 * * * { echo "Starting Plex backup"; /home/acedanger/shell/plex/backup-plex.sh --non-interactive --auto-repair; echo "Plex backup completed with exit code: $?"; } 2>&1 | logger -t plex-backup -p user.info
+0 7 * * * { echo "Starting Plex backup validation"; /home/acedanger/shell/validate-plex-backups.sh --fix; echo "Validation completed with exit code: $?"; } 2>&1 | logger -t plex-validation -p user.info
+0 5 * * 1 { echo "Starting Immich database backup move"; if mv /mnt/share/media/immich/uploads/backups/immich-db-backup* /mnt/share/media/backups/immich 2>/dev/null; then echo "Immich backup move completed successfully"; else echo "No Immich backup files found or move failed"; fi; } 2>&1 | logger -t immich-backup -p user.info
+0 8 * * 0 { echo "Starting weekly Plex backup report generation"; /home/acedanger/shell/validate-plex-backups.sh --report; echo "Weekly report generation completed with exit code: $?"; } 2>&1 | logger -t plex-report -p user.info

crontab/crontab-backups/io/current-crontab.backup

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+0 2 * * * { echo "Starting Docker backup"; /home/acedanger/shell/backup-docker.sh; echo "Docker backup completed with exit code: $?"; } 2>&1 | logger -t docker-backup -p user.info
+0 4 * * * /home/acedanger/shell/crontab/crontab-backup-system.sh backup auto --auto-cleanup 2>&1 | logger -t crontab-backup -p user.info
+# Daily backups at 2 AM
+0 2 * * * /home/acedanger/shell/backup-media.sh >/dev/null 2>&1
+#
+# Weekly verified backups at 3 AM
+0 3 * * 0 /home/acedanger/shell/backup-media.sh --verify

crontab/crontab-backups/racknerd/current-crontab.backup

@@ -0,0 +1 @@
+0 0 * * * { echo "Starting Docker backup"; /home/acedanger/shell/backup-docker.sh; echo "Docker backup completed with exit code: $?"; } 2>&1 | logger -t docker-backup -p user.info