[Update] 添加backup脚本

utils/backup_db.sh

+#!/bin/bash
+#
+
+backup_dir='../data/backup/'
+
+if [ ! -d $backup_dir ];then
+    mkdir $backup_dir
+fi
+
+mysqldump -uroot -h127.0.0.1 -p jumpserver > ${backup_dir}/jumpserver_$(date +'%Y-%m-%d_%H:%M:%S').sql