OpenWA Windows - extract & run
1) Install Node.js 22 LTS from https://nodejs.org
2) Extract to C:\openwa
3) Double-click install-once.bat
4) Edit .env ULTRAMSG_MEDIA_BASE_URL=http://THIS_SERVER_IP:2785
5) Double-click start-prod.bat
6) Open http://localhost:2785 create session QR
7) API key in data\.api-key
