增加储存：vikingfile

### 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

很好用的国外网盘，有api，老牌网盘multiup.io旗下新品，希望能够添加，谢谢

### Suggested solution / 实现思路

有api，https://vikingfile.com/api

### Additional context / 附件

_No response_