Updated MailChimp details (#1898)
Updated MailChimp details (#1898)

Updated the docs to a new Knowledge Base article to reflect SMS 2-FA ability
rugk/twofactorauth,seitsu/twofactorauth,jdavis/twofactorauth,cez81/twofactorauth,Criminalllz/twofactorauth,cez81/twofactorauth,seitsu/twofactorauth,jtamplin/twofactorauth,rj175/twofactorauth,Criminalllz/twofactorauth,bjorno/twofactorauth,Nitrokey/dongleauth,baileybasiscode/twofactorauth,Nitrokey/dongleauth,RichJeanes/twofactorauth,vgarmash/twofactorauth,brierjon/twofactorauth,Nitrokey/dongleauth,gingerbeardman/twofactorauth,Jawshy/twofactorauth,rj175/twofactorauth,jdavis/twofactorauth,jdavis/twofactorauth,RichJeanes/twofactorauth,gingerbeardman/twofactorauth,Jawshy/twofactorauth,brierjon/twofactorauth,ahelpingchip/twofactorauth,vgarmash/twofactorauth,stephengroat/twofactorauth,rugk/twofactorauth,RichJeanes/twofactorauth,jtamplin/twofactorauth,brierjon/twofactorauth,bjorno/twofactorauth,stephengroat/twofactorauth,cez81/twofactorauth,ahelpingchip/twofactorauth,stephengroat/twofactorauth,ahelpingchip/twofactorauth,NormandLemay/twofactorauth,bjorno/twofactorauth,NormandLemay/twofactorauth,baileybasiscode/twofactorauth,gingerbeardman/twofactorauth,bceasydns/twofactorauth,vgarmash/twofactorauth,baileybasiscode/twofactorauth,NormandLemay/twofactorauth,Jawshy/twofactorauth,rugk/twofactorauth,seitsu/twofactorauth,rj175/twofactorauth,Jawshy/twofactorauth,jtamplin/twofactorauth,bceasydns/twofactorauth,bceasydns/twofactorauth,Criminalllz/twofactorauth