[Feature] Scheduled tasks support backing up multiple directories

[Calcifer97]

1Panel Version

v2.0.4

Please describe your needs or suggestions for improvements

想要同时备份几个目录/a/a /a/b 而且同级还有很多其他目录/a/c /a/d /a/f ...........，不想备份整个目录/a 如果使用现有排除规则，需要写很多需要排除的目录

Please describe the solution you suggest

备份内容如果可以多选，就像排除规则可以多选一样，就可以满足需求了

Additional Information

No response

[wanghe-fit2cloud]

感谢反馈，我们会在后续版本支持这个需求。