How does sponge correlate with voxelsniper?

I’m probably just an idiot but I can’t understand how to make Voxelsniper 8.5.0 work. Do you download Sponge as a plugin? Which of the three files on jenkins is the Voxelsniper plugin? Source, javadoc, or other one?

Firstly, did you manage to make a Sponge Server?
Second, which version was it?
Third, is this what you’re trying to use?