update get a pod link

Author: bourgeoa

src/signup/config-default.js

@@ -17,7 +17,7 @@ export default { // @@ should not use export default
   /**
    * Default signup endpoints (list of identity providers)
    */
-  signupEndpoint: 'https://solidproject.org/use-solid/',
+  signupEndpoint: 'https://solidproject.org/get_a_pod',
 
   /**
    * Default height of the Signup popup window, in pixels