[KYUUBI #3502] [DOCS] Fix typo and use beeline provided by Kyuubi

1. Fix typo ${SPAAK_HOME}
2. Change ${SPAAK_HOME} to ${KYUUBI_HOME}

Closes #3502 from HYBG-1126/master.

Closes #3502

acf43e0 [海洋饼干] 更新文档docs/deployment/kyuubi_on_kubernetes.md 1、61行${SPAAK_HOME}为${SPARK_HOME} 2、91、96行，${SPAAK_HOME}应为${KYUUBI_HOME}

Lead-authored-by: HYBG <hybg1126@outlook.com>
Co-authored-by: 海洋饼干 <hybg1126@outlook.com>
Signed-off-by: Cheng Pan <chengpan@apache.org>

Author: HYBG

docs/deployment/kyuubi_on_kubernetes.md

@@ -58,7 +58,7 @@ Examples:
 
 `${KYUUBI_HOME}/bin/docker-image-tool.sh` use `Kyuubi Version` as default docker tag and always build `${repo}/kyuubi:${tag}` image.
 
-The script can also help build external Spark into a Kyuubi image that acts as a client for submitting tasks by `-s ${SPAAK_HOME}`.
+The script can also help build external Spark into a Kyuubi image that acts as a client for submitting tasks by `-s ${SPARK_HOME}`.
 
 Of course, if you have an image that contains the Spark binary package, you don't have to copy Spark locally. Make your Spark Image as BASE_IMAGE by using the `-S ${SPARK_HOME_IN_DOCKER}` and `-b BASE_IMAGE=${SPARK_IMAGE}` arguments.
 
@@ -88,12 +88,12 @@ If you do not use Service or HostNetwork to get the IP address of the node where
 You should connect like:
 ```shell
 kubectl exec -it kyuubi-example -- /bin/bash
-${SPARK_HOME}/bin/beeline -u 'jdbc:hive2://localhost:10009'
+${KYUUBI_HOME}/bin/beeline -u 'jdbc:hive2://localhost:10009'
 ```
 
 Or you can submit tasks directly through local beeline:
 ```shell
-${SPARK_HOME}/bin/beeline -u 'jdbc:hive2://${hostname}:${port}'
+${KYUUBI_HOME}/bin/beeline -u 'jdbc:hive2://${hostname}:${port}'
 ```
 As using service nodePort, port means nodePort and hostname means any hostname of kubernetes node.