Implements #12, TOTP. This adds support for TOTP to the api and server, with server side token generation, authentication and the correct URI for encoding into QR codes for client token addition. Some extra measures have been taken such as in the stepped auth to always notify on the success or failure of the TOTP first (regardless of order) to prevent PW bruteforce attacks.
Implements #29 password badlist and quality checking. This checks all new passwords are at least length 10, pass zxcvbn and are not container in a badlist. The current badlist is a preprocessed content of rockyou from seclists, but later wwe'll update this to the top 10million badlist which when processed is about 70k entries..