Add option to set show condition on widget options

src/main/java/de/shiewk/widgets/WidgetUtils.java

@@ -1,7 +1,11 @@
 package de.shiewk.widgets;
 
+import java.util.function.BooleanSupplier;
+
 public class WidgetUtils {
 
+    public static final BooleanSupplier TRUE_SUPPLIER = () -> true;
+
     public static double translateToWidgetSettingsValue(double value, int max){
         return (value / max) * 100;
     }