Add Visual Studio CMakeSettings.json file
Add Visual Studio CMakeSettings.json file

"The CMakeSettings.json file contains information that specifies how Visual Studio should interact with CMake to build a project for a specified platform"

More information can be found here:
https://docs.microsoft.com/en-us/cpp/build/cmakesettings-reference?view=vs-2019

Bug: b/139189696
Change-Id: Ib2d6a79ad997b39538d49e17c3362818b8deaac4
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/35091
Reviewed-by: Nicolas Capens <51edc787c30f24c4904e8ffbb5523c3a9f7a451d@google.com>
Tested-by: Ben Clayton <1f693eb7158dc33015048c09d6712f74dabddf79@google.com>
Kokoro-Presubmit: kokoro <2ac7b1f3fa578934c95181d4272be0d3bca00121@google.com>

bkaradzic/SwiftShader,google/swiftshader,bkaradzic/SwiftShader,google/swiftshader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,google/swiftshader,bkaradzic/SwiftShader