Atmos

Fixed the issue with main menu not appearing. You can now use the worlds tab in modpack to enter the world without need for launching the modpack normally Swapped most systems to Advancements and added extra checks to prevent loss of data. This fixed upgrades, classes, difficulty levels disappearing on updates Notify me on discord in case you lose your data so I can fix the issue Fixed 9 inch nails not working with Sniper Fixed missplaced deepslate in the training room Fixed Gasternator not being granted after fulfilling the conditions Also emergency fixed the issue with class selection menu