Add support for Authelia authentication

[PylotLight]

This would require handling redirection to a login page for the user to enter credntials and return to app.

[HugoFollic]

Definitely a great feature to have

[mudkipme]

If you are using Memos 0.21.0 or lower versions, you can switch to "login with access token". Memos 0.22 will be supported in future release.

[mmonseurs]

If you are using Memos 0.21.0 or lower versions, you can switch to "login with access token". Memos 0.22 will be supported in future release.

I'm running 0.22.4 behind Authelia, and the latest release of MoeMemos. I have the option for access token. However when I try to add an account using that access token (or regular login for that matter) I get an INVALID_SERVER error. Should this be working (i.e. should I debug elsewhere) or is this still a WIP?

[Nivroc]

same issue as above: INVALID_SERVER on android app