Implement enchanting using enchanting tables (#5953)

Co-authored-by: Dylan K. Taylor <dktapps@pmmp.io>

src/item/ArmorMaterial.php

@@ -0,0 +1,42 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+ */
+
+declare(strict_types=1);
+
+namespace pocketmine\item;
+
+class ArmorMaterial{
+
+	public function __construct(
+		private readonly int $enchantability
+	){
+	}
+
+	/**
+	 * Returns the value that defines how enchantable the item is.
+	 *
+	 * The higher an item's enchantability is, the more likely it will be to gain high-level enchantments
+	 * or multiple enchantments upon being enchanted in an enchanting table.
+	 */
+	public function getEnchantability() : int{
+		return $this->enchantability;
+	}
+}