分享功能优化

### 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

### 希望出个分享是可以加密码的功能，虽然有路径加密，感觉每次分享都要去设置有点麻烦
### 分享给别人可不可以把上方的路径给隐藏,
### 别人可以跳到其他文件夹,有时就像让他看到这个路径，可以吧分享链接加密就算知道路径也无法拼接

### Suggested solution / 实现思路

_No response_

### Additional context / 附件

_No response_