Because CI didn't cover this code we didn't know there were
warnings in these codepaths to address.
Not sure why GCC's -Wduplicated-branches is being emitted or how
exactly to fix it. It's easier to simply ignore it in this one
particular file.
Highlights:
- Support for Scancode
- Create windows without OpenGL context
- Create windows with a Vulkan context
- SFML supports macOS arm64 also known as M1 chipset
- Unit testing foundation
