Enable two factor authorization for login

As a ...

developer of the app

I want to ...

allow users to enable two factor authentication for added security for their user accounts

So that ...

there is minimum threat of account hacking

there is an added layer of security for personal information safety

I know I'm done when ...

user is able to enable two factor authentication by ticking the check box on personal profile.

user has authenticated both mobile number and email in use.