win32: add python build script

MSVC/make-daemon.bat

MSVC/package.json

MSVC/ring-daemon.sln

MSVC/ring-daemon.vcxproj

MSVC/winmake.py

contrib/build_all.bat

contrib/src/argon2/fetch_and_patch.bat

contrib/src/argon2/package.json

contrib/src/asio/fetch_and_patch.bat

contrib/src/asio/package.json

contrib/src/fetch_all.bat

contrib/src/ffmpeg/build_ffmpeg.bat

contrib/src/ffmpeg/fetch_and_patch.bat

contrib/src/ffmpeg/package.json

contrib/src/ffnvcodec/fetch_and_patch.bat

contrib/src/ffnvcodec/package.json

contrib/src/fmt/fetch_and_patch.bat

contrib/src/fmt/package.json

contrib/src/gmp/fetch_and_patch.bat

contrib/src/gmp/package.json