As a user I should be able to enable 2-factor-authentication on my account #10
Description
Allow for 2fa to be enabled on the user's account.
Acceptance criteria:
- User can enable 2fa on their account.
- User can disable 2fa on their account.
- User can view, reset, and download 2fa recovery codes.
- User is required to provide a 2fa code during login.
- User can receive 2fa codes via Google Authenticator.