XPansion

- added ability to enchant already enchanted items
- level limit for available enchantments is removed: now having Efficiency I book, player can select any level from I to V
- removed level from enchantment description and tooltip: Sharpness V -> Sharpness
- text "Enchant" now translates
- added translation file (en_us) with translation keys for "Random" and "Select" buttons
- player can get advancement "Enchanter" when using custom screen
- stat "Items enchanted" increases when player uses custom screen
- particles flow from (not empty) chiseled bookshelves
- minor code improvements
- UI improvements: added disabled variants for text field, plus and minus sprites
- changed the icon
- renamed the mod