GitLab

1. Change F1 from Memdisk to help
2. Add d/Ctrl+d for Memdisk
3. Add L for Language selection

So update the help txt files and menu json files at the same time.

F5 ---> Menu Language Select
Language files are in INSTALL/grub/menu/ directory.

x86_64    gtk2/gtk3
i386      gtk2/gtk3
aarch64   gtk3
mips64el  gtk3

2. The update button is available even if data corrupted in VTOYEFI partition.
3. Set the default focus to No when you click Install button in Ventoy2Disk.exe.
4. Fix a BUG when booting Windows VHD(x) with the latest ventoy_vhdboot.img.
5. Support boot Windows VHD(x) files in local disk.