graphql setup

config/routes.rb

@@ -1,5 +1,10 @@
 Rails.application.routes.draw do
   devise_for :users, controllers: { omniauth_callbacks: 'users/omniauth_callbacks' }
+  post "/graphql", to: "graphql#execute"
 
   ActiveAdmin.routes(self)
+
+  if Rails.env.development?
+    mount GraphqlPlayground::Rails::Engine, at: "/playground", graphql_path: "/graphql"
+  end
 end