Update README.md

Author: computersarecool

README.md

@@ -10,6 +10,7 @@ They are mostly API examples but some have interesting graphical output.
 - [GLFW](https://github.com/glfw/glfw) (window creation)
 - [GLAD](https://github.com/Dav1dde/gladhttps://github.com/Dav1dde/glad) (OpenGL function loading)
 - [STB](https://github.com/nothings/stb) (image loading)
+(All of these are included)
 
 ## Tested On
 - Linux