add start.sh & image-builder.sh

start.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+set -euo pipefail
+IFS=$'\n\t'
+
+# Root-Verzeichnis
+ROOT_DIR="$(cd "$(dirname "$0")" && pwd)"
+SCRIPTS_DIR="$ROOT_DIR/scripts"
+IMAGE_BUILDER="$SCRIPTS_DIR/image-builder.sh"
+
+# Prüfen ob das Skript existiert
+if [[ ! -f "$IMAGE_BUILDER" ]]; then
+    echo "[ERROR] $IMAGE_BUILDER nicht gefunden!"
+    exit 1
+fi
+
+# Script starten
+"$IMAGE_BUILDER"