add uninstall script

uninstall.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+
+set -eoa pipefail
+
+SCRIPT_DIR=$(dirname "$(readlink -f "$0")")
+PLATFORM_DIR="$SCRIPT_DIR/.platform"
+PLATFORM_CONFIG="$PLATFORM_DIR/.config"
+
+# check if the platform directory exists
+if [ -d "$PLATFORM_DIR" ]; then
+    # source the configuration file
+    source $PLATFORM_CONFIG
+else
+    echo "The platform directory not found: $PLATFORM_DIR"
+    echo "Please run the setup.sh script first, or check the 'Manual deletion' section in the setup.md for manual deletion of the platform."
+    exit 1
+fi
+
+# Delete the cluster
+kind delete cluster --name $CLUSTER_NAME
+
+if [ "$INSTALL_LOCAL_REGISTRY" = "true" ]; then
+    # Delete the local Docker registry
+    echo "Deleting the local Docker registry..."
+    docker stop kind-registry
+    docker rm kind-registry
+    echo "Local Docker registry deleted."
+fi
+
+rm -rf "$PLATFORM_DIR"
+
+echo "The platform has been successfully uninstalled."
+exit 0