Plans, subscriptions

* Plans controller
* Subscription controller
* Clean admin controller
* Ember Plans route
* Index page
* New Plans
* Translations

config/locales/client.en.yml

@@ -38,10 +38,19 @@ en:
         confirm_payment: Confirm payment
         success: Go back
       admin:
-        payment_history:
+        dashboard:
+          title: Dashboard
           table:
             head:
               user: User
               payment_intent: Payment ID
               receipt_email: Receipt Email
               amount: Amount
+        plans:
+          title: Plans
+          new: New
+          table:
+            head:
+              plan: Plan
+        subscriptions:
+          title: Subscriptions

config/routes.rb

@@ -3,6 +3,7 @@
 DiscoursePatrons::Engine.routes.draw do
   get '/admin' => 'admin#index'
   get '/admin/subscriptions' => 'subscriptions#index'
+  get '/admin/plans/:plan_id' => 'plans#show'
   get '/' => 'patrons#index'
   get '/:pid' => 'patrons#show'
   resources :patrons, only: [:index, :create]