added pangolin update shell script

pangolin/setup_backup_update_manager.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+# Define the list of script names
+scripts=("backup-update-master.sh" "backup-ba-up-ma.sh" "config-ba-up-ma.sh" "cron-ba-up-ma.sh" "update-ba-up-ma.sh" "utils-ba-up-ma.sh")
+
+# Define the base URL for the Gist raw files
+base_url="https://raw.githubusercontent.com/hhftechnology/pangolin-backup-update/refs/heads/main"
+
+# Download each script
+for script in "${scripts[@]}"; do
+  curl -o "$script" "$base_url/$script"
+done
+
+# Make all .sh files executable
+chmod +x *.sh
+
+# Run the master script
+./backup-update-master.sh