Add Linux support with application mute handling and startup script

start-macropad.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+# Move to the script's directory
+cd "$(dirname "$0")"
+
+echo "Starting Macropad Control Center..."
+node server.js &
+SERVER_PID=$!
+
+# Wait 2 seconds for server to start
+sleep 2
+
+# Open local config page in default browser
+if command -v xdg-open > /dev/null; then
+  xdg-open http://localhost:3001
+elif command -v gnome-open > /dev/null; then
+  gnome-open http://localhost:3001
+else
+  echo "Please open http://localhost:3001 in your browser"
+fi
+
+# Keep the script running to allow stopping the server with Ctrl+C
+wait $SERVER_PID