Added {upgrade_level} as lore placeholder

MMOItems-API/src/main/java/net/Indyuce/mmoitems/stat/UpgradeStat.java

@@ -65,6 +65,9 @@ public class UpgradeStat extends ItemStat<UpgradeData, UpgradeData> implements C
 		// Show in lore
 		item.addItemTag(getAppliedNBT(data));
 
+		// Special placeholder
+		item.getLore().registerPlaceholder("upgrade_level", String.valueOf(data.getLevel()));
+
 		// Show in lore
 		if (data.getMaxUpgrades() > 0)
 			item.getLore().insert(getPath(),

MMOItems-Dist/src/main/resources/config.yml

@@ -91,7 +91,7 @@ item-upgrading:
     # Whether to display in Item Name or Lore
     # Disable if item renaming is available to players.
     # If set to 'false', remember to include
-    # %upgrade_level% in your item lore.
+    # {upgrade_level} in your item lore.
     display-in-name: true
 
     # Whether or not to display which