contrib/MSVC6.txt: Add guide how to use nasm in MSVC6
contrib/MSVC6.txt: Add guide how to use nasm in MSVC6

It's possible to use nasm as asm compiled right within
MSVC6 IDE. Lets point it out via a small guide.

Signed-off-by: Alexander Ilyin <dc674d65a61ee6878273920471078d839cf2c926@mail.ru>
Signed-off-by: Cyrill Gorcunov <7a1ea01eee6961eb1e372e3508c2670446d086f4@gmail.com>

letolabs/nasm,Distrotech/nasm,letolabs/nasm,turingstudio/nasm,techkey/nasm,Distrotech/nasm,Distrotech/nasm,projedi/nasm,techkey/nasm,projedi/nasm,techkey/nasm,projedi/nasm,turingstudio/nasm,techkey/nasm,turingstudio/nasm,letolabs/nasm,projedi/nasm,techkey/nasm,turingstudio/nasm,projedi/nasm,Distrotech/nasm