authenticator

Describe the feature you want:
It would be nice if, by default, the theme of the extension matches the system (browser) theme.

Why do you want this feature in Authenticator?
This is how most mobile and desktop applications and extensions work. And this is what most users expect.

Tasks:

• add docs to token strategy (godoc)
• add links to the readme (api-key, bearer, x-header)

Hi, I'd like to info you that Authenticator extension has supported standard OTP backup format, so it would be very easy to import data from Authenticator extension backups.

See https://github.com/Authenticator-Extension/Authenticator/wiki/Standard-OTP-Backup-Format-Devloper-Info

I also suggest this project support such format to ma

... using an automatically incremented counter so that the same password can't be used twice