feat(bugzilla): note that users have to create accounts on bugzilla
    
    One cannot use FAS to create bugzilla accounts. One has to create
    explicit bugzilla accounts and can then use FAS to login after if the
    e-mail addresses are the same in both places
    
    Reference
    https://discussion.fedoraproject.org/t/improve-communication-page-and-bz-login-flow/93651/6