added wip note.

Author: jchanvfx

README.md

@@ -5,6 +5,8 @@
 [![PEP8](https://img.shields.io/badge/code%20style-PEP8-green.svg)](https://www.python.org/dev/peps/pep-0008/) 
 [![stability-wip](https://img.shields.io/badge/stability-Work_In_Progress-lightgrey.svg)](https://github.com/orangemug/stability-badges/blob/master/README.md)
 
+*(Note: this project is a work in progress and not production ready.)*
+
 ---
 
 NodeGraphQt is a node graph framework that can be implemented and re purposed into