added infomrations

src/main/java/org/gcube/service/helloworld/health/CreateTempFileCheck.java

@@ -9,6 +9,16 @@ import org.gcube.common.health.api.response.HealthCheckResponse;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+/** 
+ * 
+ * this class is used to add checks about components used by the service (DB, external FS, other services etc. ) 
+ * and automatically exposed using the REST method webapp/gcube/resources/health
+ * 
+ * 
+ * @author lucio
+ *
+ */
+
 @ReadinessChecker
 public class CreateTempFileCheck implements HealthCheck{