Add uninstall-dockge script and README.md

uninstall-dockge/README.md

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+## Why?
+
+The script is a Bash script designed to facilitate the uninstallation of Dockge, a containerized application.
+
+## How to use?
+
+```bash
+bash -c "$(wget -qLO - https://raw.githubusercontent.com/bigbeartechworld/big-bear-scripts/master/uninstall-dockge/run.sh)"
+```

uninstall-dockge/run.sh

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+#!/bin/bash
+
+# Check if the script is run as root
+if [[ $EUID -ne 0 ]]; then
+    echo "This script must be run as root."
+    exit 1
+fi
+
+# Stop and remove the Dockge containers
+if command -v docker &> /dev/null; then
+    # Using Docker CE
+    echo "Stopping and removing Dockge containers with Docker CE..."
+    docker compose -f /opt/dockge/compose.yaml -p dockge down
+elif command -v podman &> /dev/null; then
+    # Using Podman
+    echo "Stopping and removing Dockge containers with Podman..."
+    podman-compose -f /opt/dockge/compose.yaml down
+else
+    echo "Neither Docker CE nor Podman is installed. Nothing to uninstall."
+    exit 1
+fi
+
+# Remove the Dockge directories
+echo "Removing Dockge directories..."
+rm -rf /opt/stacks /opt/dockge
+
+echo "Dockge has been uninstalled."