Update Vanguard Doc
Update Vanguard Doc

Updated link to Vanguard 2FA documentation
vgarmash/twofactorauth,Jawshy/twofactorauth,bjorno/twofactorauth,jtamplin/twofactorauth,bjorno/twofactorauth,NormandLemay/twofactorauth,baileybasiscode/twofactorauth,bceasydns/twofactorauth,kojaxs/twofactorauth,kojaxs/twofactorauth,cez81/twofactorauth,RichJeanes/twofactorauth,rj175/twofactorauth,kojaxs/twofactorauth,rj175/twofactorauth,bjorno/twofactorauth,Jawshy/twofactorauth,jdavis/twofactorauth,ahelpingchip/twofactorauth,stephengroat/twofactorauth,jdavis/twofactorauth,brierjon/twofactorauth,brierjon/twofactorauth,Jawshy/twofactorauth,stephengroat/twofactorauth,brierjon/twofactorauth,Nitrokey/dongleauth,Criminalllz/twofactorauth,RichJeanes/twofactorauth,rugk/twofactorauth,vgarmash/twofactorauth,seitsu/twofactorauth,RichJeanes/twofactorauth,Nitrokey/dongleauth,bceasydns/twofactorauth,bceasydns/twofactorauth,gingerbeardman/twofactorauth,Nitrokey/dongleauth,baileybasiscode/twofactorauth,rj175/twofactorauth,seitsu/twofactorauth,jtamplin/twofactorauth,vgarmash/twofactorauth,Criminalllz/twofactorauth,rugk/twofactorauth,cez81/twofactorauth,seitsu/twofactorauth,baileybasiscode/twofactorauth,Jawshy/twofactorauth,stephengroat/twofactorauth,gingerbeardman/twofactorauth,jtamplin/twofactorauth,Criminalllz/twofactorauth,jdavis/twofactorauth,ahelpingchip/twofactorauth,NormandLemay/twofactorauth,rugk/twofactorauth,gingerbeardman/twofactorauth,NormandLemay/twofactorauth,cez81/twofactorauth,ahelpingchip/twofactorauth