mcardielo

### Support guidelines - [X] I've read the [support guidelines](https://github.com/firefly-iii/firefly-iii/blob/main/.github/support.md) ### I've found a bug and checked that ... - [X] ... [the documentation](https://docs.firefly-iii.org/) does not mention anything about my...

With this changes, the WebDAV server is able to manage multi users