命令行模式复制和移动文件

### Please make sure of the following things

- [X] I have read the [documentation](https://alist.nn.ci).
- [X] I'm sure there are no duplicate issues or discussions.
- [X] I'm sure this feature is not implemented.
- [X] I'm sure it's a reasonable and popular requirement.

### Description of the feature / 需求描述

希望增加命令行功能，实现文件的复制和移动过，如下：
```
./alist cp /b/a.txt /a/b.txt
./alist mv /b/a.txt /b/a.txt

```

### Suggested solution / 实现思路

_No response_

### Additional context / 附件

_No response_