update player with wachdog and intro

stop_player.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+
+# Stop the player and watchdog
+# Use this to gracefully shutdown the player
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+echo "=========================================="
+echo "Stopping Kivy Signage Player"
+echo "=========================================="
+echo ""
+
+# Kill watchdog (start.sh)
+echo "Stopping watchdog..."
+pkill -f "bash.*start.sh"
+
+# Kill player
+echo "Stopping player..."
+pkill -f "python3 main.py"
+
+# Give processes time to exit gracefully
+sleep 2
+
+# Force kill if still running
+pkill -9 -f "bash.*start.sh" 2>/dev/null
+pkill -9 -f "python3 main.py" 2>/dev/null
+
+# Clean up heartbeat and stop flag files
+rm -f "$SCRIPT_DIR/.player_heartbeat"
+rm -f "$SCRIPT_DIR/.player_stop_requested"
+
+echo ""
+echo "✓ Player and watchdog stopped"
+echo ""