prj42 Log configured default charset

pluto-common/src/main/java/de/itvsh/ozg/pluto/LogRunner.java

+package de.itvsh.ozg.pluto;
+
+import java.nio.charset.Charset;
+
+import org.springframework.context.ApplicationListener;
+import org.springframework.context.event.ContextRefreshedEvent;
+import org.springframework.stereotype.Component;
+
+import lombok.extern.log4j.Log4j2;
+
+@Log4j2
+@Component
+class LogRunner implements ApplicationListener<ContextRefreshedEvent> {
+
+	@Override
+	public void onApplicationEvent(ContextRefreshedEvent event) {
+		LOG.info("Standard Charset: " + Charset.defaultCharset());
+
+	}
+
+}