Traveler's Backpack

✨ Config improvements
✨ Improved Backpack Backups to be more user friendly (Check Wiki for more informations)
✨ Added config option to allow opening only equipped backpack (default false)
🔧 Ability is on by default in new backpacks
🔧 Slowness effect disabled by default
🐛 Fixed bug with swapping selected item in backpack inventory
🐛 Fixed player getting stuck in the wall with spider backpack and elytra
🐛 Fixed hose not getting reserved properly in memory slot