Add GitHub Actions CI workflow

[chances]

See https://github.com/chances/gfx-d/actions

[chances]

dub build gfx:texture task errors:

ld: cannot find -lturbojpeg

[chances]

Windows CI environment

• GitHub Actions Windows Virtual Environment: Package Management
• Linking with GLFW error
• https://github.com/microsoft/vcpkg/blob/master/ports/glfw3/portfile.cmake
• vcpkg folder hierarchy