so we can persist password reset codes, OIDC auth sessions and tokens.
These features will also work in multi-node setups without sicky
sessions now
Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
SFTPGo is now fully auditable, all fs and provider events that change
something are notified and can be collected using hooks/plugins.
There are some backward incompatible changes for command hooks
The builtin two-factor authentication is based on time-based one time
passwords (RFC 6238) which works with Authy, Google Authenticator and
other compatible apps.
