v.1.0.0-RC3

Several small bugfixes and one feature request from WCA-internal feedback. Most notably, includes the following three PRs:

#578 Hide Scramble Set A if there is only one scramble set
#582 Localize FMC cutout sheet (also reorganizes Translations folder hierarchy in the ZIP)
#580 MBLD and FMC are now split up per attempt

Also, this release marks the first contribution of @Shadowjockey 🎉