Vulkan triangle example taken from GLFW

triangle-vulkan.c from GLFW tests folder

How to build

Platform
- macOS Catalina 10.15.6 :
  Build commands
  
  Links :
  - If xcode-select does not work, download dmg file manually : Command_Line_Tools_for_Xcode_12.dmg
  - Also work with GM version. GM suffix means Gold Master, the final build before distribution of the official release. Command_Line_Tools_for_Xcode_12_GM_seed.dmg
  - Apple Developer website : Command_Line_Tools_for_Xcode
  - clang+llvm-10.0.0-x86_64-apple-darwin.tar.xz
  Steps :
```
xcode-select reset && xcode-select --install

brew install ninja cmake

Download Pre-Built Binaries and untar in your project directory clang+llvm-10.0.0-x86_64-apple-darwin.tar.xz

in zsh terminal, make sure to be in the project directory, do :  ./compile.sh
```