Win32: Add more language options to the installer
Win32: Add more language options to the installer

NOTE: Requires the content of the directory

	https://github.com/jrsoftware/issrc/tree/main/Files/Languages/Unofficial

to be present in the "Languages/" directory on the build host!

Iniquitatis/mgba,libretro/mgba,Iniquitatis/mgba,Iniquitatis/mgba,mgba-emu/mgba,Iniquitatis/mgba,libretro/mgba,mgba-emu/mgba,libretro/mgba,libretro/mgba,libretro/mgba,mgba-emu/mgba,mgba-emu/mgba