This adds a check to the domains configuration to ensure the domain value is not part of the public suffix list at https://publicsuffix.org. These domains are special and users cannot write cookies with this domain value, this makes them unusable with Authelia and this more readily makes that apparent.
This adds support to configure multiple session cookie domains.
Closes#1198
Co-authored-by: James Elliott <james-d-elliott@users.noreply.github.com>
Co-authored-by: Amir Zarrinkafsh <nightah@me.com>