VASSAL: Add VASSAL engine v3.7.14

[finsterdexter]

Adding manifest for VASSAL. This closes #960

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[finsterdexter]

I added installer and uninstaller properties in the manifest. When I test this it does pop up the UAC prompt since even running silently and setting destination to scoop $dir doesn't cause the installer to not try and elevate to admin. Is that an issue, as I think the goal with scoop manifests is to avoid UAC, but I'm not sure of the best way to avoid that here.

[Calinou]

Is that an issue, as I think the goal with scoop manifests is to avoid UAC, but I'm not sure of the best way to avoid that here.

This is a NSIS-based installer according to file:

$ file VASSAL-3.7.14-windows-x86_64.exe
VASSAL-3.7.14-windows-x86_64.exe: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, Nullsoft Installer self-extracting archive, 7 sections

You should be able to remove the (un)installer properties and add #/dl.7z at the end of the download URL, similar to sauerbraten.json. This will make Scoop extract the installer using 7-zip, so that the installer doesn't even need to be run.