add muttrc
add muttrc


Former-commit-id: 59468a3f8790a1fe30599d457b14a70257ff1187
Former-commit-id: c42abe7c8712dfc1d48f2fbfb80f16d57329b157
Former-commit-id: 14f84ad14f4a80d3a00c90cc78bd0c80aac6feea
thiagowfx/dotfiles