Add betterment.com (#22)
Add betterment.com (#22)

The account can be closed, but not properly deleted, thus the impossible difficulty.
jdm-contrib/justdelete.me,tupaschoal/justdelete.me,tupaschoal/justdelete.me,tupaschoal/justdelete.me,jdm-contrib/justdelete.me,jdm-contrib/justdelete.me,jdm-contrib/justdelete.me,tupaschoal/justdelete.me