Better Shulkers 1.1.0

• Update to 1.21.8
• Fix NeoForge 1.21.1 registry sync issues
• Add Material Collector enchantment
• Add materials to a shulker using an anvil
• Made config more concise
• Open shulkers directly from an inventory by right-clicking
• Fix item duplication issue with opening shulkers using right click
• Fixed many other item duplication glitches involving moving shulkers in the inventory
• Fixed an item duplication glitch when picking up items while a shulker UI is open
• Shulker UIs now display their name