add h2 and save user info to db

src/main/java/com/xuxd/kafka/console/config/CronConfig.java

@@ -0,0 +1,19 @@
+package com.xuxd.kafka.console.config;
+
+import lombok.Data;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.context.annotation.Configuration;
+
+/**
+ * kafka-console-ui.
+ *
+ * @author xuxd
+ * @date 2021-09-06 16:23:30
+ **/
+@Data
+@Configuration
+@ConfigurationProperties(prefix = "cron")
+public class CronConfig {
+
+    private String clearDirtyUser;
+}