updated readme

README.md

@@ -1,15 +1,24 @@
 # Canvas Editor
 
-An *alternative* [Playcanvas Engine](https://github.com/playcanvas/engine) Editor
+An *alternative* WebGL /[Playcanvas Engine](https://github.com/playcanvas/engine) Editor
 
 ## Why
 
-- Better understanding the internals of [Playcanvas]()
+- Better understanding the internals of [Playcanvas]() / WebGL
 - Built larger [RiotJS]() application
-- Convert to standalone app using [Electron]()
+- Ability to be a standalone ([Electron]())
 - Store assets *locally*
 - Free
 
+## USAGE WARNING
+
+Currently, `vendor` libraries are **NOT** included.  For this to *work* create a `vendor` folder inside `assets/js` and add
+
+- playcanvas-latest.js
+- riot+compiler.js
+
+> not much working, mostly hacking out ui ideas
+
 ## Is it Ready
 
 NO!