updated readme

README.md

@@ -2,7 +2,7 @@
 
 [![Software License][ico-license]](LICENSE.md)
 
-This is a work in progress, but soon will be a bootstrap template module / reference to build React Apps that are loaded in to the Magento 2 (Venia/Blank) theme.
+This is a work in progress, but it's a first version of a bootstrap template module / reference to build React Apps that are loaded in to the Magento 2 (Venia/Blank) theme.
 
 ## Installation
 
@@ -18,7 +18,12 @@ This is a work in progress, but soon will be a bootstrap template module / refer
 
 ## Configuration
 
-Zero configuration needed.
+When starting development, rename and:
+ - reactapp/.env.development.template to .env.development
+ - reactapp/src/config.js.template to config.js.
+and set the right values in these files.
+
+More documentation on the way.
 
 ## Credits