Order - Shulker Support & Admin GUI v2.2.3

1. You can now lockdown all orders.
2. You can reload config through GUI.
3. Admins can now delete made orders.
4. You can now add custom items through GUI.

1. Default configs now contain all potions & enchanting books.
2. You can now import all items in a chest into /order, any category.
and more..

1. Added %amount% placeholder to the delivered message.
2. Re-open the deliver item GUI after delivering.
3. Add Items in a Shulker Box & order it.
4. Deliver Items with Shulker Box & get the Shulker Box back.

1. You can now add potions & enchantment books using the import command.
2. Fixed the bug when writing amount of items more than 100, it turns to negative.
3. Added 1.21.1 Support for drop all button.
4. Now showing potion effect in order menu.
5. Now showing enchantment book info in order menu.

1. Made the countdown, delivered count, and more update while you have inventory open.
2. Added a Drop All button in claiming delivered items.
3. Next & Previous page when adding claiming delivered items.
4. Expired Orders, or cancelled no longer show up in the main page.

1. Added support for 1.21.5
2. Fixed a bug, make sure to update. (Ask in ticket if you want to know)

1. You can now enchant your orders!

1. Fixed the money dupe bug.
2. Fixed the GUI refreshing bug.
3. Enchantments no longer getting removed after opening a GUI.