chore: Add gui-clock, fullbrightnesstoggle, guifollowers,...

chore: Add gui-clock, fullbrightnesstoggle, guifollowers, currentgamemusictrack, advancementscreenshot, hennyfullbright,

Closes https://github.com/Griefed/ServerPackCreator/issues/751 Closes https://github.com/Griefed/ServerPackCreator/issues/750 Closes https://github.com/Griefed/ServerPackCreator/issues/749 Closes https://github.com/Griefed/ServerPackCreator/issues/748 Closes https://github.com/Griefed/ServerPackCreator/issues/747 Closes https://github.com/Griefed/ServerPackCreator/issues/746