Move LoginPage creation to initialization

see: https://scrivito.com/adding-a-log-in-page-to-your-application-71c659702470e21c

Author: nalabjp

app/controllers/cms_controller.rb

@@ -1,5 +1,3 @@
 class CmsController < ApplicationController
   include Scrivito::ControllerActions
-
-  LoginPage.create(title: 'ログイン')
 end

config/initializers/scrivito.rb

@@ -28,4 +28,6 @@
   title ||= ENV['SCRIVITO_WORKSPACE'] || 'DEFAULT_WORKSPACE'
   Scrivito::Workspace.create(title: title) unless Scrivito::Workspace.find_by_title(title)
   Scrivito::Workspace.use(title)
+
+  LoginPage.create(title: 'ログイン')
 end