chore: Add BetterGrassify, CheatDetector, KeepTheResourcePack, ijmtweaks to list of clientside mods. Thanks to @ModernGamingWorld for the reports!

Closes https://github.com/Griefed/ServerPackCreator/issues/660 Closes https://github.com/Griefed/ServerPackCreator/issues/659 Closes https://github.com/Griefed/ServerPackCreator/issues/658 Closes https://github.com/Griefed/ServerPackCreator/issues/657 Closes https://github.com/Griefed/ServerPackCreator/issues/656