feature(web): 增加独立小工具

直接通过HDFS查询时间线，有时候保留现场会直接copy一个hdfs目录，不遵循生产表的逻辑，只能通过hdfs路经查询

service-hudi-query/src/main/java/com/lanyuanxiaoyao/service/hudi/service/TimelineService.java

@@ -91,6 +91,9 @@ public class TimelineService {
     ) throws IOException {
         Configuration configuration = new Configuration();
         FileSystem fileSystem = FileSystem.get(configuration);
+        if (!fileSystem.exists(new Path(hdfs))) {
+            throw new IOException(StrUtil.format("Path {} is not exists", hdfs));
+        }
         HoodieTableMetaClient client = HoodieTableMetaClient.builder()
                 .setConf(configuration)
                 .setBasePath(hdfs)