Include helpers

Why:

So we don't have to manually do it in the readme.

This change addresses the need by:

Include helpers in engine.

README.md

@@ -141,26 +141,6 @@ class PagesController < ApplicationController
   end
 end
 ```
-#### Helper
-Create `app/helpers/application_helper.rb` and update it to match the following:
-```ruby
-module ApplicationHelper
-  def add_option(option, output = nil)
-    return unless option
-    return output if output
-    option
-  end
-
-  def markdown(text)
-    return unless text
-    Redcarpet::Markdown.new(Redcarpet::Render::HTML).render(text).html_safe
-  end
-
-  def markdown_help_url
-    "http://nestacms.com/docs/creating-content/markdown-cheat-sheet"
-  end
-end
-```
 #### Views
 Create a view at `app/views/pages/page.html.slim` that contains the following:
 ```ruby

app/helpers/component_helper.rb

@@ -0,0 +1,18 @@
+module ComponentHelper
+  def add_option(option, output = nil)
+    (output) ? output : option if option
+  end
+
+  def markdown(text)
+    return unless text
+    Redcarpet::Markdown.new(Redcarpet::Render::HTML).render(text).html_safe
+  end
+
+  def markdown_help_url
+    "http://nestacms.com/docs/creating-content/markdown-cheat-sheet"
+  end
+
+  def render_children(children)
+    children.map(&:render).reduce(:+)
+  end
+end

lib/atomic_cms/engine.rb

@@ -1,13 +1,20 @@
 module AtomicCms
   require 'paperclip'
+  require 'pry'
   class Engine < ::Rails::Engine
     isolate_namespace AtomicCms
 
     config.generators do |g|
-      g.test_framework      :rspec,        fixture: false
+      g.test_framework :rspec, fixture: false
       g.fixture_replacement :factory_girl, dir: 'spec/factories'
       g.assets false
       g.helper false
     end
+
+    initializer 'atomic_cms.action_controller' do |_app|
+      ActiveSupport.on_load :action_controller do
+        helper AtomicCms::ComponentHelper
+      end
+    end
   end
 end