Added doc for T-Mobile (#3051)
Added doc for T-Mobile (#3051)


Jawshy/twofactorauth,Jawshy/twofactorauth,Jawshy/twofactorauth,rj175/twofactorauth,rj175/twofactorauth,bjorno/twofactorauth,rugk/twofactorauth,jdavis/twofactorauth,bceasydns/twofactorauth,bceasydns/twofactorauth,cez81/twofactorauth,rugk/twofactorauth,NormandLemay/twofactorauth,bjorno/twofactorauth,Jawshy/twofactorauth,Nitrokey/dongleauth,bjorno/twofactorauth,jdavis/twofactorauth,rugk/twofactorauth,bceasydns/twofactorauth,cez81/twofactorauth,NormandLemay/twofactorauth,jdavis/twofactorauth,NormandLemay/twofactorauth,Nitrokey/dongleauth,vgarmash/twofactorauth,vgarmash/twofactorauth,Nitrokey/dongleauth,vgarmash/twofactorauth,cez81/twofactorauth,rj175/twofactorauth