Add open-webui dropshell template for AI chat interface

open-webui/backup.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+source "${AGENT_PATH}/common.sh"
+_check_required_env_vars "CONTAINER_NAME" "DATA_VOLUME" "BACKUP_FILE" "TEMP_DIR"
+
+mkdir -p "${TEMP_DIR}/backup"
+
+docker run --rm -v "${DATA_VOLUME}":/source -v "${TEMP_DIR}/backup":/backup \
+    debian tar -czf /backup/data.tgz -C /source .
+
+tar -czf "${BACKUP_FILE}" -C "${TEMP_DIR}/backup" .
+
+echo "Backup completed successfully"