Add systemd service and control scripts for LED Matrix Display

stop_display.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# Get the current user
+CURRENT_USER=$(whoami)
+
+echo "Stopping LED Matrix Display Service for user: $CURRENT_USER..."
+
+# Stop the service
+sudo systemctl stop ledmatrix.service
+
+# Check the status
+echo "Service status:"
+sudo systemctl status ledmatrix.service
+
+echo ""
+echo "LED Matrix Display Service has been stopped."
+echo ""
+echo "To start the service again:"
+echo "  sudo systemctl start ledmatrix.service"