PosMasr Cloud 1.2.0 for Linux (linux-arm64) - portable folder

Run:      ./PosMasr-Cloud          (or ./PosMasr-Cloud --selftest to check the machine first)
Needs:    Ubuntu 24.04 or newer, Debian 13 or newer, Fedora 39 or newer, Linux Mint 22 or newer (glibc 2.38+),
          with WebKitGTK 4.1:
            Ubuntu/Debian/Mint:  sudo apt install libwebkit2gtk-4.1-0 libgtk-3-0 libnotify4
            Fedora:              sudo dnf install webkit2gtk4.1 gtk3 libnotify
Printing: sudo usermod -aG lp,dialout $USER   (then log out and in), and a raw CUPS queue for a USB printer:
          sudo lpadmin -p PosMasr-Printer -E -v "$(lpinfo -v | awk '/usb:/{print $2; exit}')" -m raw
          then pick lp:PosMasr-Printer in PosMasr Cloud > Devices.
Menu entry (optional): replace /path/to/this/folder in posmasr-cloud.desktop with this folder, then copy it to
          ~/.local/share/applications/
The .deb package does all of this for you: sudo apt install ./posmasr-cloud_1.2.0_arm64.deb
