Update build.md (#237)
Update build.md (#237)

* Update build.md

Add in Apple Silicon knowledge to address issue #220

* Update build.md

Update the copyright.
KhronosGroup/Vulkan-Samples,KhronosGroup/Vulkan-Samples,KhronosGroup/Vulkan-Samples,KhronosGroup/Vulkan-Samples,KhronosGroup/Vulkan-Samples,KhronosGroup/Vulkan-Samples