[CELEBORN-1566] Update docs about using HDFS

### What changes were proposed in this pull request?
update client deployment doc to include the param (spark.celeborn.storage.activeTypes)
### Why are the changes needed?

Just provide a hint for users, otherwise they may miss this param.

### Does this PR introduce _any_ user-facing change?

No

### How was this patch tested?

Yes

Closes #2683 from zhaohehuhu/dev-0815.

Authored-by: zhaohehuhu <luoyedeyi@163.com>
Signed-off-by: Shuang <lvshuang.xjs@alibaba-inc.com>
diff --git a/README.md b/README.md
index 2ea1608..f3dce2c 100644
--- a/README.md
+++ b/README.md
@@ -291,6 +291,7 @@
 spark.sql.adaptive.localShuffleReader.enabled false
 
 # If Celeborn is using HDFS
+spark.celeborn.storage.availableTypes HDFS
 spark.celeborn.storage.hdfs.dir hdfs://<namenode>/celeborn
 
 # we recommend enabling aqe support to gain better performance
diff --git a/docs/deploy.md b/docs/deploy.md
index a66bfc3..9992ff0 100644
--- a/docs/deploy.md
+++ b/docs/deploy.md
@@ -187,6 +187,7 @@
 spark.sql.adaptive.localShuffleReader.enabled false
 
 # If Celeborn is using HDFS
+spark.celeborn.storage.availableTypes HDFS
 spark.celeborn.storage.hdfs.dir hdfs://<namenode>/celeborn
 
 # we recommend enabling aqe support to gain better performance