Add temporary backup script

vaultwarden/backup.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+# Note: use rclone for backup, needs manually configuration.
+
+SOURCE=""
+LOCAL_BACKUP="$HOME/.local/backup/"
+REMOTE=""
+
+mkdir -p $LOCAL_BACKUP
+CURRENT_DATE=$(date +%F)
+TAR_NAME="backup_${CURRENT_DATE}.tar"
+tar -cf "$LOCAL_BACKUP/$TAR_NAME" -C "$SOURCE" .
+ls -1t "$LOCAL_BACKUP"/backup_*.tar | tail -n +6 | xargs -r rm --
+
+systemctl --user stop ===container-service===
+/usr/bin/rclone sync $SOURCE $REMOTE > /dev/null
+systemctl --user start ===container-service===