update readme

Author: abose

README.md

@@ -3,6 +3,8 @@ Phoenix code editor for the web.
 
 The deployed site of [phcode.dev](https://phcode.dev)
 
+Please see branch: [gh-pages](https://github.com/phcode-dev/phcode.dev/tree/gh-pages) for seeing the files in the deployed site.
+
 ## Parent repository:
 
 https://github.com/phcode-dev/phoenix