updates Readme with reference to Customization instructions

README.md

@@ -62,6 +62,10 @@ But for some actions like voting, you will need a verified user, the seeds file
  **user:** verified@consul.dev
  **pass:** 12345678
 
+### Customization
+
+See [CUSTOMIZE_ES.md](CUSTOMIZE_ES.md)
+
 ### OAuth
 
 To test authentication services with external OAuth suppliers - right now Twitter, Facebook and Google - you'll need to create an "application" in each of the supported platforms and set the *key* and *secret* provided in your *secrets.yml*

README_ES.md

@@ -61,6 +61,9 @@ Pero para ciertas acciones, como apoyar, necesitarás un usuario verificado, el
  **user:** verified@consul.dev
  **pass:** 12345678
 
+### Customización
+
+Ver fichero [CUSTOMIZE_ES.md](CUSTOMIZE_ES.md)
 
 ### OAuth