fix: wrap includes configuration list

closes #341

Author: zachdaniel

lib/ash_json_api/resource/resource.ex

@@ -495,7 +495,7 @@ defmodule AshJsonApi.Resource do
         doc: "The resource identifier type of this resource in JSON:API"
       ],
       includes: [
-        type: :any,
+        type: {:wrap_list, :any},
         default: [],
         doc: "A keyword list of all paths that are includable from this resource"
       ],

test/acceptance/get_related_test.exs

@@ -81,7 +81,7 @@ defmodule Test.Acceptance.GetRelatedTest do
     json_api do
       type("comment")
 
-      includes [:post]
+      includes :post
     end
 
     actions do