Install PR 7710 Linux Test (SDL 3.4.x)

This mod doesn't include a mod.ini file which means you'll have to write one yourself!

linux-x64.7z: cf.fsnebula.org | dl.fsnebula.org | hestia.feralhosting.com
SHA256: 3007a37c02179b02260485c70df03a45b2dce4f383b9ef60abbcc221c3082a85

PR 7710 Linux Test (SDL 3.4.x) 26.1.0-20260907