Created data classes for GlobalOperationItem.

src/main/java/dev/micle/xptools/config/Config.java

@@ -88,7 +88,7 @@ public final class Config {
         private static void onConfigReload() {
             blockBreakOperationItems = new ArrayList<>();
             for (String s : blockBreakOperationsRaw.get()) {
-                blockBreakOperationItems.add(new OperationItem(s));
+                blockBreakOperationItems.add(OperationItem.fromConfig(s));
             }
         }
     }