added default value handling to setup wizard

added table to store the default values of the whole system, to not require the property files
added ability to cancel setup wizard

abstracto-application/abstracto-modules/moderation/moderation-impl/src/main/java/dev/sheldan/abstracto/moderation/listener/ModerationDefaultConfigListener.java

@@ -0,0 +1,25 @@
+package dev.sheldan.abstracto.moderation.listener;
+
+import dev.sheldan.abstracto.core.service.management.DefaultConfigManagementService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.event.ContextRefreshedEvent;
+import org.springframework.context.event.EventListener;
+import org.springframework.stereotype.Component;
+import org.springframework.transaction.annotation.Transactional;
+
+@Component
+public class ModerationDefaultConfigListener {
+
+    @Autowired
+    private DefaultConfigManagementService defaultConfigManagementService;
+
+    @Value("${abstracto.warnings.warnDecay.days}")
+    private Long decayDays;
+
+    @EventListener
+    @Transactional
+    public void handleContextRefreshEvent(ContextRefreshedEvent ctxStartEvt) {
+        defaultConfigManagementService.createDefaultConfig("decayDays", decayDays);
+    }
+}