How to use it ?

[TheBricktop]

Is there some examples that would be easy to get into?

[Bian-Sh]

1. As Unity API changed a lot these days. so you should open this project with Unity 2018.2.x.
2. This Node Editor depends on unitypackage named :" Shader Graph" , and you must install it.
3. Then double click this file which you can see below in the picture
   
4. all by you own now...