feat: added ability to combine enchanted books through assembly

kubejs/server_scripts/base/featrues/enchantments.js

@@ -0,0 +1,37 @@
+if (feature("Combining enchanted books")) {
+  var $Registry = Java.loadClass("net.minecraft.core.Registry");
+
+  $Registry.ENCHANTMENT.entrySet().forEach((enchant) => {
+    var enchant_id = String(enchant.getKey().location());
+    var enchant_max_level = parseInt(
+      enchant.getValue().getMaxLevel().toFixed(0)
+    );
+    let enchant_level = 2;
+    while (enchant_level <= enchant_max_level) {
+      addAssembly(
+        Item.of("minecraft:enchanted_book", 1).enchant(
+          enchant_id,
+          enchant_level
+        ),
+        Item.of("minecraft:enchanted_book", 1)
+          .enchant(enchant_id, enchant_level - 1)
+          .strongNBT(),
+        [
+          addFilling(
+            "stick",
+            "stick",
+            "1x create_enchantment_industry:experience"
+          ),
+          addDeploying(
+            "stick",
+            "stick",
+            Item.of("minecraft:enchanted_book", 1)
+              .enchant(enchant_id, enchant_level - 1)
+              .strongNBT()
+          ),
+        ]
+      );
+      enchant_level++;
+    }
+  });
+}