Added config option to disable ItemsAdder support

src/main/java/world/bentobox/level/Level.java

@@ -483,7 +483,7 @@ public Warp getWarpHook() {
 	}
 
     public boolean isItemsAdder() {
-        return getPlugin().getHooks().getHook("ItemsAdder").isPresent();
+        return !getSettings().isDisableItemsAdder() && getPlugin().getHooks().getHook("ItemsAdder").isPresent();
     }
 
 }

src/main/java/world/bentobox/level/config/ConfigSettings.java

@@ -21,6 +21,12 @@ public class ConfigSettings implements ConfigObject {
     @ConfigEntry(path = "disabled-game-modes")
     private List<String> gameModes = Collections.emptyList();
 
+    @ConfigComment("")
+    @ConfigComment("Disable ItemsAdder support")
+    @ConfigComment("This will ignore ItemsAdder even if it is installed and not use it. Do not set this to true unless you know what you are doing.")
+    @ConfigEntry(path = "disabled-itemsadder")
+    private boolean disableItemsAdder = false;
+
     @ConfigComment("")
     @ConfigComment("When executing level command from console, should a report be shown?")
     @ConfigEntry(path = "log-report-to-console")
@@ -487,4 +493,18 @@ public String getTera() {
     public void setTera(String tera) {
         this.tera = tera;
     }
+
+    /**
+     * @return the disableItemsAdder
+     */
+    public boolean isDisableItemsAdder() {
+        return disableItemsAdder;
+    }
+
+    /**
+     * @param disableItemsAdder the disableItemsAdder to set
+     */
+    public void setDisableItemsAdder(boolean disableItemsAdder) {
+        this.disableItemsAdder = disableItemsAdder;
+    }
 }

src/main/resources/config.yml

@@ -5,6 +5,10 @@
 # Level will NOT hook into these game mode addons.
 disabled-game-modes: []
 # 
+# Disable ItemsAdder support
+# This will ignore ItemsAdder even if it is installed and not use it. Do not set this to true unless you know what you are doing.
+disabled-itemsadder: false
+# 
 # When executing level command from console, should a report be shown?
 log-report-to-console: true
 # 
@@ -86,4 +90,4 @@ include-shulkers-in-chest: false
 # 
 # Disables hooking with other plugins.
 # Example: disabled-plugin-hooks: [UltimateStacker, RoseStacker]
-disabled-plugin-hooks: []
+disabled-plugin-hooks: []