[FEAT] Discord/Google/Other SSO

[ArcaneDisgea]

Is your feature request related to a problem? Please describe.
In my best attempt to not sound like an infomercial, remembering passwords is difficult for end users and SSO is convenient as hell.

Describe the solution you'd like
Implement ideally Discord SSO at the minimum as an alternative to standard email/pass. Discord is fairly popular within the community and lots of tools use it for their SSO already such as:

• xivapi
• ffxivcollect
• ffxivtriad

[SargoDarya]

Will add Discord oauth for the next release and see if there's need for other Auth providers.

[SargoDarya]

This would be the suggested implementation on the frontend side. However I'm unsure how I'm going to deal with usernames in this case.

[SargoDarya]

Scheduled to land in v0.2.0.

Backend part has already been deployed.