Move translation viewing to admin namespace

app/controllers/admin/translations_controller.rb

@@ -0,0 +1,18 @@
+class Admin::TranslationsController < AdminController
+  before_action :set_translation, only: :show
+
+  # GET /translations
+  # GET /translations.json
+  def index
+    @translations = Translation.paginate(page: params[:page])
+  end
+
+  # GET /translations/1
+  # GET /translations/1.json
+  def show
+  end
+
+  def set_translation
+    @translation = Translation.find(params[:id])
+  end
+end