add usage doc

Author: minmingzhu

docs/Aurora/Spark job submit tool usage on aurora.md

@@ -90,6 +90,7 @@ After submitted successfully, you can get your job ID which is generated by Auro
 Submitting an interactive job and wait for at most 1800 sec.
 debug 67690.amn-0001
 debug -A Aurora_deployment -l select=2 -l walltime=2:00:00 -l filesystems=flare:daos_user -q lustre_scaling -v SPARKJOB_SCRIPTS_DIR=/lus/flare/projects/Aurora_deployment/spark/spark-job/bin,SPARKJOB_CONFIG_DIR=/home/damon/spark_work_home,SPARKJOB_INTERACTIVE=1,SPARKJOB_SCRIPTMODE=0,SPARKJOB_OUTPUT_DIR=/home/damon/spark_work_home,SPARKJOB_SEPARATE_MASTER=0,SPARKJOB_OAPML=1,SPARKJOB_DAOS=1,SPARKJOB_ARG= -o /home/damon/spark_work_home -e /home/damon/spark_work_home /lus/flare/projects/Aurora_deployment/spark/spark-job/bin/start-spark.sh
+
 # Submitted
 SPARKJOB_JOBID=67690.amn-0001
 need spark job host: 0
@@ -165,7 +166,6 @@ submit-spark.sh provides a few arguments. You can get detailed info about the ar
 ```shell
 $ /lus/flare/projects/Aurora_deployment/spark/spark-job/bin/submit-spark.sh -h
 Spark Job Submit Tool v1.0.3 for Aurora
- 
 Usage:
     submit-spark.sh [options] JOBFILE [arguments ...]