add location back to types

Author: jalexander

lib/stripe/subscriptions/invoice.ex

@@ -12,9 +12,6 @@ defmodule Stripe.Invoice do
   Does not take options yet.
 
   Stripe API reference: https://stripe.com/docs/api#invoice
-
-  DEPRECATED BUT STILL IN USE:
-    closed
   """
 
   use Stripe.Entity

lib/stripe/types.ex

@@ -36,6 +36,12 @@ defmodule Stripe.Types do
           town: String.t() | nil
         }
 
+  @type location :: %{
+          country: String.t(),
+          source: String.t(),
+          state: String.t()
+        }
+
   @type metadata :: %{
           optional(String.t()) => String.t()
         }