docs: add native run guide and restore admin creation in setup.sh

setup.sh

@@ -28,9 +28,9 @@ else
     echo "[+] .env file already exists. Skipping environment generation."
 fi
 
-# Make sure Docker is available
-if ! command -v docker-compose &> /dev/null; then
-    echo "[-] ERROR: docker-compose is not installed. Please install Docker and Docker-Compose first."
+# Make sure Docker Compose v2 is available
+if ! docker compose version &> /dev/null; then
+    echo "[-] ERROR: docker compose (v2) is not available. Please install Docker and Docker Compose plugin."
     exit 1
 fi
 
@@ -41,7 +41,11 @@ echo " 1. Open and review the '.env' file.     "
 echo "    Make sure to change DB_PASSWORD,     "
 echo "    API_PORT, and VITE_API_BASE_URL.     "
 echo "                                         "
-echo " 2. Run './update.sh' to download the    "
+echo " 2. Run 'bash update.sh' to download the "
 echo "    latest code, build, and start the    "
-echo "    system.                              "
+echo "    system. The script will also run     "
+echo "    database migrations automatically.   "
+echo "                                         "
+echo " 3. Create your Admin account:           "
+echo "    docker exec -it nexus-guard-suite-server-core-1 ./server-core -create-admin -user \"admin\" -pass \"PasswordKuat123!\""
 echo "========================================="